All TUSA size charts on one page. Imperial in bold, metric underneath.
Fins
TUSA X-Pert Z-3 Zoom fins (model SF-15)
Foot length
| Size | Foot length in · cm |
|---|---|
|
XS–S US-male 5–7 · US-female 6.5–8.5 · EUR 38–40 |
9.4–10.2 24–26 |
|
M–ML US-male 7–10 · US-female 8.5–12 · EUR 40–44 |
10.2–11 26–28 |
|
L–XL US-male 10–14 · US-female 12–15 · EUR 44–50 |
11–12.6 28–32 |
Fin length, fin width and weight pair
| Size | Fin length in · mm |
Fin width in · mm |
Weight pair lb · g |
|---|---|---|---|
|
XS–S US-male 5–7 · US-female 6.5–8.5 · EUR 38–40 |
22.8 578 |
8.7 222 |
4.1 1,850 |
|
M–ML US-male 7–10 · US-female 8.5–12 · EUR 40–44 |
23.9 608 |
9.1 232 |
4.7 2,140 |
|
L–XL US-male 10–14 · US-female 12–15 · EUR 44–50 |
25.7 653 |
9.4 238 |
5.4 2,450 |
From TUSA’s chart: Model #: SF-15 Product Name: X-Pert Z-3 Zoom
TUSA Solla Full Foot (model FF-23)
Foot length
| Size | Foot length in · cm |
|---|---|
|
XS US-male 3–4 · US-female 4.5–5.5 · EUR 36–37 |
9.1–9.3 23–23.5 |
|
S US-male 5–6 · US-female 6–7.5 · EUR 38–39 |
9.4–9.6 24–24.5 |
|
M US-male 7–7.5 · US-female 8–9 · EUR 40–41 |
9.8–10 25–25.5 |
|
ML US-male 8–9 · US-female 9.5–10.5 · EUR 42–43 |
10.2–10.4 26–26.5 |
|
L US-male 9–11 · US-female 10.5–12 · EUR 44–45 |
10.6–10.8 27–27.5 |
|
XL US-male 12–13 · US-female 13.5–15 · EUR 46–47 |
11–11.6 28–29.5 |
Fin length, fin width and weight pair
| Size | Fin length in · mm |
Fin width in · mm |
Weight pair lb · g |
|---|---|---|---|
|
XS US-male 3–4 · US-female 4.5–5.5 · EUR 36–37 |
23.6 600 |
8 203 |
2.6 1,200 |
|
S US-male 5–6 · US-female 6–7.5 · EUR 38–39 |
24.4 620 |
8 203 |
2.7 1,215 |
|
M US-male 7–7.5 · US-female 8–9 · EUR 40–41 |
25.2 640 |
8.4 213 |
3 1,380 |
|
ML US-male 8–9 · US-female 9.5–10.5 · EUR 42–43 |
26 660 |
8.4 213 |
3.1 1,395 |
|
L US-male 9–11 · US-female 10.5–12 · EUR 44–45 |
27.2 690 |
8.7 222 |
4.1 1,875 |
|
XL US-male 12–13 · US-female 13.5–15 · EUR 46–47 |
27.6 701 |
8.7 222 |
4.1 1,890 |
From TUSA’s chart: Model #: FF-23 Product Name: Solla Full Foot
TUSA Imprex Duo Fins (SF0102)
Foot length
| Size | Foot length in · cm |
|---|---|
|
S US-male 7–8 · US-female 8.5–9.5 · EUR 39–42 |
9.6–10.2 24.5–26 |
|
M US-male 8–10 · US-female 9.5–12 · EUR 42–46 |
10.2–11 26–28 |
|
L US-male 10–13 · US-female 12–14 · EUR 46–52 |
11–12.2 28–31 |
Fin length, fin width and weight pair
| Size | Fin length in · mm |
Fin width in · mm |
Weight pair lb · g |
|---|---|---|---|
|
S US-male 7–8 · US-female 8.5–9.5 · EUR 39–42 |
23 583 |
8.4 213 |
3.4 1,560 |
|
M US-male 8–10 · US-female 9.5–12 · EUR 42–46 |
24.3 617 |
8.7 220 |
4.1 1,860 |
|
L US-male 10–13 · US-female 12–14 · EUR 46–52 |
24.8 630 |
8.7 220 |
3.9 1,790 |
TUSA Solla Fins (model SF-22)
Foot length
| Size | Foot length in · cm |
|---|---|
|
XS US-male 3–5 · US-female 4.5–6.5 · EUR 34–38 |
8.7–9.4 22–24 |
|
S US-male 5–7 · US-female 6.5–8.5 · EUR 38–40 |
9.4–10.2 24–26 |
|
M US-male 7–10 · US-female 8.5–12 · EUR 40–44 |
10.2–11 26–28 |
|
L–XL US-male 10–14 · US-female 12–15 · EUR 44–50 |
11–12.6 28–32 |
Fin length, fin width and weight pair
| Size | Fin length in · mm |
Fin width in · mm |
Weight pair lb · g |
|---|---|---|---|
|
XS US-male 3–5 · US-female 4.5–6.5 · EUR 34–38 |
21.9 557 |
8.5 215 |
3.4 1,550 |
|
S US-male 5–7 · US-female 6.5–8.5 · EUR 38–40 |
22.7 577 |
8.5 217 |
3.6 1,630 |
|
M US-male 7–10 · US-female 8.5–12 · EUR 40–44 |
23.9 607 |
8.8 224 |
4.1 1,865 |
|
L–XL US-male 10–14 · US-female 12–15 · EUR 44–50 |
24.7 627 |
8.9 226 |
4.4 1,975 |
From TUSA’s chart: Model #: SF-22 Product Name: TUSA Solla Fins
TUSA HyFlex Vesna Fins (model SF0101)
Foot length
| Size | Foot length in · cm |
|---|---|
|
XS US-male 3–5 · US-female 4.5–6.5 · EUR 34–38 |
8.7–9.4 22–24 |
|
S US-male 5–7 · US-female 6.5–8.5 · EUR 38–40 |
9.4–10.2 24–26 |
|
M US-male 7–10 · US-female 8.5–12 · EUR 40–44 |
10.2–11 26–28 |
|
L–XL US-male 10–14 · US-female 12–15 · EUR 44–50 |
11–12.6 28–32 |
Fin length, fin width and weight pair
| Size | Fin length in · mm |
Fin width in · mm |
Weight pair lb · g |
|---|---|---|---|
|
XS US-male 3–5 · US-female 4.5–6.5 · EUR 34–38 |
21.7 550 |
8.5 215 |
3.3 1,480 |
|
S US-male 5–7 · US-female 6.5–8.5 · EUR 38–40 |
22.5 571 |
8.5 215 |
3.4 1,535 |
|
M US-male 7–10 · US-female 8.5–12 · EUR 40–44 |
24.3 617 |
8.9 225 |
3.7 1,695 |
|
L–XL US-male 10–14 · US-female 12–15 · EUR 44–50 |
25.1 638 |
8.9 225 |
3.9 1,765 |
From TUSA’s chart: Model #: SF0101 Product Name: TUSA HyFlex Vesna Fins
TUSA HyFlex SWITCH fins (model SF0104)
Foot length
| Size | Foot length in · cm |
|---|---|
|
XS US-M 3–5 · US-F 4.5–6.5 · EUR 34–38 |
8.7–9.4 22–24 |
|
S US-M 5–7 · US-F 6.5–8.5 · EUR 38–40 |
9.4–10.2 24–26 |
|
M US-M 7–10 · US-F 8.5–12 · EUR 40–44 |
10.2–11 26–28 |
|
L US-M 10–12 · US-F 12 · EUR 43–46 |
11–12.6 28–32 |
|
XL US-M 12–14 · EUR 46–49 |
11.8–12.6 30–32 |
Fin length, fin width and weight (pair)
| Size | Fin length in · mm |
Fin width in · mm |
Weight (pair) lb · g |
|---|---|---|---|
|
XS US-M 3–5 · US-F 4.5–6.5 · EUR 34–38 |
21.9 555 |
8.0 204 |
3.9 1,760 |
|
S US-M 5–7 · US-F 6.5–8.5 · EUR 38–40 |
22.7 576 |
8.0 204 |
4.0 1,815 |
|
M US-M 7–10 · US-F 8.5–12 · EUR 40–44 |
23.5 597 |
8.0 204 |
4.2 1,895 |
|
L US-M 10–12 · US-F 12 · EUR 43–46 |
24.3 618 |
8.0 204 |
4.3 1,965 |
|
XL US-M 12–14 · EUR 46–49 |
25.1 639 |
8.0 204 |
4.8 2,175 |
TUSA HyFlex SWITCH Pro fins (model SF0107)
HyFlex SWITCH Pro (SF0107)
Foot length
| Size | Foot length in · cm |
|---|---|
|
M US-M 7–10 · US-F 8.5–12 · EUR 40–44 |
10.2–11 26–28 |
|
L US-M 10–12 · US-F 12 · EUR 43–46 |
11–11.8 28–30 |
Fin length, fin width and weight (pair)
| Size | Fin length in · mm |
Fin width in · mm |
Weight (pair) lb · g |
|---|---|---|---|
|
M US-M 7–10 · US-F 8.5–12 · EUR 40–44 |
23.5 597 |
8.0 204 |
4.2 1,895 |
|
L US-M 10–12 · US-F 12 · EUR 43–46 |
24.3 618 |
8.0 204 |
4.3 1,965 |
Compatible size, M to XL (2026 catalog)
| Size | Foot length in · cm |
|---|---|
|
M (Regular) US-M 7–10 · US-F 8.5–12 · EUR 40–44 |
10.2–11 26–28 |
|
L US-M 10–12 · EUR 43–46 |
11–11.8 28–30 |
|
XL US-M 12–14 · EUR 46–49 |
11.8–12.6 30–32 |
XL: EURO ONLY
TUSA Travel Right Fins (model SF0110)
Foot length
| Size | Foot length in · cm |
|---|---|
|
XS US-male 3.5–5.5 · US-female 5.5–7.5 · EUR 33–37 |
8.5–9.3 21.5–23.5 |
|
S US-male 5.5–7.5 · US-female 7.5–9.5 · EUR 37–41 |
9.3–10 23.5–25.5 |
|
M (Regular) US-male 7.5–9.5 · US-female 9.5–11.5 · EUR 40–43 |
10–10.8 25.5–27.5 |
|
L US-male 9.5–11.5 · US-female 11.5–13.5 · EUR 43–46 |
10.8–11.6 27.5–29.5 |
|
XL US-male 11.5–14 · US-female 13.5–16 · EUR 47–49.5 |
11.6–12.6 29.5–32 |
Fin length, fin width and weight pair
| Size | Fin length in · mm |
Fin width in · mm |
Weight pair lb · g |
|---|---|---|---|
|
XS US-male 3.5–5.5 · US-female 5.5–7.5 · EUR 33–37 |
18.7 475 |
8.5 215 |
2.7 1,240 |
|
S US-male 5.5–7.5 · US-female 7.5–9.5 · EUR 37–41 |
19.8 502 |
8.9 225 |
3.2 1,430 |
|
M (Regular) US-male 7.5–9.5 · US-female 9.5–11.5 · EUR 40–43 |
20.5 520 |
8.9 225 |
3.2 1,440 |
|
L US-male 9.5–11.5 · US-female 11.5–13.5 · EUR 43–46 |
21.5 545 |
9.1 232 |
3.7 1,700 |
|
XL US-male 11.5–14 · US-female 13.5–16 · EUR 47–49.5 |
22 559 |
9.1 232 |
3.8 1,710 |
From TUSA’s chart: Model #: SF0110 Product Name: TUSA Travel Right Fins
TUSA HyFlex Zoom Fins (SF0111)
Foot length
| Size | Foot length in · cm |
|---|---|
|
XS US-M 3–5 · US-F 4.5–6.5 · EUR 34–38 |
8.7–9.4 22–24 |
|
S US-M 5–7 · US-F 6.5–8.5 · EUR 38–40 |
9.4–10.2 24–26 |
|
M US-M 7–10 · US-F 8.5–12 · EUR 40–44 |
10.2–11 26–28 |
|
L US-M 10–12 · US-F 12 · EUR 44–50 |
11–12.6 28–32 |
|
XL US-M 12–14 · EUR 46–49 |
11.8–12.6 30–32 |
Fin length, fin width and weight (pair)
| Size | Fin length in · mm |
Fin width in · mm |
Weight (pair) lb · g |
|---|---|---|---|
|
XS US-M 3–5 · US-F 4.5–6.5 · EUR 34–38 |
25.1 639 |
8.8 225 |
4.2 1945 |
|
S US-M 5–7 · US-F 6.5–8.5 · EUR 38–40 |
25.9 660 |
8.8 225 |
4.4 2000 |
|
M US-M 7–10 · US-F 8.5–12 · EUR 40–44 |
26.8 683 |
8.8 225 |
4.5 2080 |
|
L US-M 10–12 · US-F 12 · EUR 44–50 |
27.7 704 |
8.8 225 |
4.7 2150 |
|
XL US-M 12–14 · EUR 46–49 |
28.5 725 |
9.8 225 |
5.2 2380 |
From TUSA’s chart: Model #: SF0111
TUSA Liberator X-Ten Fins (model SF-5500)
Foot length
| Size | Foot length in · cm |
|---|---|
|
S US-male 5–7 · US-female 6.5–8.5 · EUR 38–40 |
8.7–10.2 22–26 |
|
Reg US-male 7–10 · US-female 8.5–12 · EUR 40–44 |
9.4–11 24–28 |
Fin length, fin width and weight pair
| Size | Fin length in · mm |
Fin width in · mm |
Weight pair lb · g |
|---|---|---|---|
|
S US-male 5–7 · US-female 6.5–8.5 · EUR 38–40 |
22.4 568 |
8.4 214 |
1.5 660 |
|
Reg US-male 7–10 · US-female 8.5–12 · EUR 40–44 |
23.5 598 |
8.9 225 |
1.7 760 |
From TUSA’s chart: Model #: SF-5500 Product Name: Liberator X-Ten
BCDs
TUSA Soverin-Alpha BCD
Waist
| Size | Waist in · cm |
|---|---|
| XS |
23.7–27.6 60–70 |
| S |
25.6–31.5 65–80 |
| M |
29.6–35.5 75–90 |
| L–XL |
33.5–43.4 85–110 |
Lift capacity, BC weight (dry) and releasable weight
| Size | Lift capacity lbf · N |
BC weight (dry) lb · kg |
Releasable weight lb · kg |
|---|---|---|---|
| XS |
18.0 80 |
7.1 3.2 |
17.6 8.0 |
| S |
24.7 110 |
7.1 3.2 |
17.6 8.0 |
| M |
29.2 130 |
7.3 3.3 |
17.6 8.0 |
| L–XL |
38.2 170 |
7.5 3.4 |
17.6 8.0 |
TUSA Liberator BCD
Waist
| Size | Waist in · cm |
|---|---|
| XS |
22.1–24.1 56–61 |
| S |
23.7–27.6 60–70 |
| M |
25.6–31.5 65–80 |
| L |
29.6–35.5 75–90 |
| XL |
33.5–39.4 85–100 |
Lift capacity, BC weight (dry) and releasable weight
| Size | Lift capacity lbf · N |
BC weight (dry) lb · kg |
Releasable weight lb · kg |
|---|---|---|---|
| XS |
18 80 |
6.4 2.9 |
17.6 8 |
| S |
20.2 90 |
6.6 3 |
17.6 8 |
| M |
27 120 |
6.8 3.1 |
17.6 8 |
| L |
33.7 150 |
7.1 3.2 |
17.6 8 |
| XL |
40.5 180 |
7.1 3.2 |
17.6 8 |
TUSA Tina BCD
Waist
| Size | Waist in · cm |
|---|---|
| 2XS |
22.8–26 58–66 |
| XS |
25.2–28.7 64–73 |
| S |
27.6–31.5 70–80 |
| M |
30.7–37.8 78–96 |
| L |
34.3–44.1 87–112 |
Lift capacity, BC weight (dry) and releasable weight
| Size | Lift capacity lbf · N |
BC weight (dry) lb · kg |
Releasable weight lb · kg |
|---|---|---|---|
| 2XS |
22.5 100 |
6.8 3.1 |
17.6 8 |
| XS |
24.7 110 |
7.1 3.2 |
17.6 8 |
| S |
29.2 130 |
7.3 3.3 |
17.6 8 |
| M |
36 160 |
7.5 3.4 |
17.6 8 |
| L |
36 160 |
7.5 3.4 |
17.6 8 |
TUSA Conquest II BCD
Waist
| Size | Waist in · cm |
|---|---|
| XS–S |
25.6–31.5 65–80 |
| M |
29.6–35.5 75–90 |
| L |
33.5–39.4 85–100 |
| XL |
37.4–51.2 95–130 |
Lift capacity, BC weight (dry) and releasable weight
| Size | Lift capacity lbf · N |
BC weight (dry) lb · kg |
Releasable weight lb · kg |
|---|---|---|---|
| XS–S |
36 160 |
7.7 3.5 |
17.6 8 |
| M |
38.2 170 |
7.9 3.6 |
17.6 8 |
| L |
49.5 220 |
8.2 3.7 |
17.6 8 |
| XL |
49.5 220 |
8.2 3.7 |
17.6 8 |
TUSA X-Wing BCD
Waist
| Size | Waist in · cm |
|---|---|
| S |
25.6–31.5 65–80 |
| M |
29.6–35.5 75–90 |
| L |
33.5–39.4 85–100 |
| XL |
37.4–51.2 95–130 |
Lift capacity, BC weight (dry) and releasable weight
| Size | Lift capacity lbf · N |
BC weight (dry) lb · kg |
Releasable weight lb · kg |
|---|---|---|---|
| S |
29.2 130 |
7.7 3.5 |
17.6 8 |
| M |
29.2 130 |
7.7 3.5 |
17.6 8 |
| L |
40.5 180 |
8.4 3.8 |
17.6 8 |
| XL |
40.5 180 |
8.4 3.8 |
17.6 8 |
TUSA Crestline (2020) BCD
Waist
| Size | Waist in · cm |
|---|---|
| XS |
22.1–24.1 56–61 |
| S |
23.7–27.6 60–70 |
| M |
25.6–31.5 65–80 |
| L |
29.6–35.5 75–90 |
| XL |
33.5–39.4 85–100 |
Lift capacity, BC weight (dry) and releasable weight
| Size | Lift capacity lbf · N |
BC weight (dry) lb · kg |
Releasable weight lb · kg |
|---|---|---|---|
| XS |
18 80 |
4.9 2.2 |
N/A N/A |
| S |
22.5 100 |
5.1 2.3 |
N/A N/A |
| M |
31.5 140 |
5.3 2.4 |
N/A N/A |
| L |
38.2 170 |
5.3 2.4 |
N/A N/A |
| XL |
45 200 |
5.5 2.5 |
N/A N/A |
TUSA T-Wing BCD
Waist
| Size | Waist in · cm |
|---|---|
| XS–XL |
22.1–39.4 56–100 |
Lift capacity, BC weight (dry) and releasable weight
| Size | Lift capacity lbf · N |
BC weight (dry) lb · kg |
Releasable weight |
|---|---|---|---|
| XS–XL |
28.1 125 |
6.6 3 |
— |
TUSA Jazmine BCD
Waist
| Size | Waist in · cm |
|---|---|
| XS |
22.1–24.1 56–61 |
| S |
23.7–27.6 60–70 |
| M |
25.6–31.5 65–80 |
| L |
29.6–35.5 75–90 |
Lift capacity, BC weight (dry) and releasable weight
| Size | Lift capacity lbf · N |
BC weight (dry) lb · kg |
Releasable weight lb · kg |
|---|---|---|---|
| XS |
18 80 |
6.2 2.8 |
17.6 8 |
| S |
22.5 100 |
6.4 2.9 |
17.6 8 |
| M |
31.5 140 |
6.6 3 |
17.6 8 |
| L |
38.2 170 |
6.8 3.1 |
17.6 8 |
Source: TUSA’s size chart and TUSA’s current size chart. Where the chart prints only one unit, we converted the other: inches from centimeters (to the nearest 0.1″).
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Product Information
The UF-21 fins feature an advanced Multi-Flex long blade design paired with Thrust Channel Technology to support efficient propulsion in the water. Built for versatility, they provide reliable performance for both scuba diving and snorkeling, making them a practical choice for travel and underwater exploration.
The open-heel design allows for quick and easy size adjustment, while the silicone heel strap enhances comfort for extended use. The soft, durable foot pocket is designed to reduce fatigue and provide a secure fit, supporting a smooth transition from entry to propulsion.
Designed with travel in mind, these fins are available in multiple sizes and colors to suit different gear setups and styles. They balance ease of use with dependable performance in a range of diving conditions.
- Advanced Multi-Flex long blade design for efficient propulsion
- Thrust Channel Technology to maximize thrust with each kick
- Soft, comfortable open-heel foot pocket with adjustable silicone strap
- Ease of entry and secure fit with open-heel design
- Sizes: S, M, L; Colors: BK (Black), BL (Blue), GR (Green)
- Lightweight and travel-ready for scuba and snorkeling adventures
| Brand | TUSA |
| Model | UF-21 |
| Fin Type | Open heel |
| Blade | Multi-Flex long blade with Thrust Channel technology |
| Foot Pocket | Soft open-heel pocket |
| Strap | Adjustable silicone strap |
| Sizes | S, M, L |
| Color Options | Black, Blue, Green |
| Use | Snorkeling, travel, and recreational diving |
⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Frequently Asked Questions
What is the difference between open-heel and full-foot fins?
Open-heel fins have an adjustable heel strap and are worn with dive boots, which protect your feet on shore entries and add warmth. Full-foot fins slip on like a shoe against bare skin or a thin sock, and are typically lighter and easier to pack. Most scuba divers choose open-heel fins with boots, while full-foot fins suit warm water, snorkeling, and pool use.
How should scuba fins fit?
Open-heel fins should be sized around the boots you will actually wear, snug with the strap set so your heel stays seated and your foot does not slide forward in the pocket. Full-foot fins should fit like a firm shoe, with no heel lift, no pinched toes, and no gap that lets water pump in and out. Too loose causes heel blisters and lost fins in current, and too tight causes foot cramps.
Should I buy dive boots before fins?
Choose your boots first and size open-heel fins around them, because sole thickness changes the foot-pocket size you need. A thin warm-water boot and a thick cold-water boot with a rugged sole can easily be a fin size apart. If you already own fins, bring them along when you buy boots so you can check the combination.
Are spring straps worth it?
Spring straps replace the adjustable rubber strap with a stainless spring that stretches on and off, so there is nothing to buckle with cold or gloved hands and no rubber strap to perish and snap mid-dive. They hold constant tension, which many divers find more comfortable and consistent. They are sized rather than adjustable, so match the length to your foot pocket and the boots you dive.
What are the best fins for travel?
For travel, length and weight matter most, so shorter blades and travel-specific open-heel or full-foot models pack more easily and save baggage allowance. Some fins have removable blades or compact foot pockets designed for luggage. Pack fins along the outside walls of your bag, where they also act as protection for softer gear.
What is the difference between paddle and split fins?
Paddle fins use a solid blade that transfers power directly, which many divers prefer for precision, control in current, and non-flutter kicks such as the frog kick. Split fins have a slit down the blade that lets water pass through, which generally makes flutter kicking easier on the legs but gives up some control and works less well with other kick styles. Neither is inherently better, so let your kick style, leg strength, and conditions decide, and try both if you get the chance.
How do I care for dive fins?
Rinse them in fresh water after each dive day, paying attention to buckles, springs, and strap channels where salt collects, and dry them out of direct sunlight. Store them flat or hanging from the foot pocket rather than standing on the blade tips, which can take a permanent bend. Check straps, buckles, and any screws before every trip, since a failed buckle is the most common fin problem.
