Open Box Seac Undersuit Unifleece
Open Box Seac Undersuit Unifleece - 2XL (2X-Large) / Like New is backordered and will ship as soon as it is back in stock.
Pickup currently unavailable at In Store
All Seac size charts on one page. Imperial in bold, metric underneath.
Men’s wetsuits
Seac men's diving wetsuits
| Man | Height ft/in · cm |
Weight lb · kg |
Chest in · cm |
|---|---|---|---|
| S |
5′5″–5′9″ 166–175 |
121–150 55–68 |
34.6–36.2 88–92 |
| M |
5′7″–5′10″ 170–178 |
141–172 64–78 |
37–39.4 94–100 |
| L |
5′9″–6′0″ 176–184 |
165–194 75–88 |
38.6–40.9 98–104 |
| XL |
5′10″–6′2″ 178–189 |
185–214 84–97 |
40.2–43.3 102–110 |
| 2XL |
6′1″–6′4″ 186–194 |
203–238 92–108 |
42.9–45.7 109–116 |
| 3XL |
6′4″–6′6″ 192–198 |
240–260 109–118 |
44.9–47.2 114–120 |
| 4XL |
6′4″–6′8″ 193–202 |
243–260 110–118 |
45.7–48.8 116–124 |
Seac men's freediving and spearfishing wetsuits
| Man | Height ft/in · cm |
Weight lb · kg |
Chest in · cm |
|---|---|---|---|
| S |
5′5″–5′9″ 166–175 |
121–150 55–68 |
34.6–36.2 88–92 |
| M |
5′7″–5′10″ 170–178 |
141–172 64–78 |
37–39.4 94–100 |
| L |
5′9″–6′0″ 176–184 |
165–194 75–88 |
38.6–40.9 98–104 |
| XL |
5′10″–6′2″ 178–189 |
185–214 84–97 |
40.2–43.3 102–110 |
| 2XL |
6′1″–6′4″ 186–194 |
203–238 92–108 |
42.9–45.7 109–116 |
| 3XL |
6′4″–6′6″ 192–198 |
240–260 109–118 |
44.9–47.2 114–120 |
Women’s wetsuits
Seac women's diving wetsuits
| Lady | Height ft/in · cm |
Weight lb · kg |
Chest in · cm |
|---|---|---|---|
| XS |
5′1″–5′3″ 155–161 |
115–128 52–58 |
30.3–32.7 77–83 |
| S |
5′3″–5′5″ 160–166 |
126–139 57–63 |
32.3–34.6 82–88 |
| M |
5′5″–5′7″ 165–171 |
137–157 62–71 |
34.3–36.2 87–92 |
| L |
5′8″–5′10″ 172–178 |
148–165 67–75 |
37–38.6 94–98 |
| XL |
5′10″–6′0″ 177–183 |
165–183 75–83 |
38.2–40.2 97–102 |
| 2XL |
5′10″–6′1″ 179–185 |
185–203 84–92 |
39.4–41.7 100–106 |
Drysuits
Seac men's drysuits
Height, weight and chest
| Man | Height ft/in · cm |
Weight lb · kg |
Chest in · cm |
|---|---|---|---|
| S |
5′5″–5′9″ 166–175 |
121–150 55–68 |
34.6–36.2 88–92 |
| M |
5′7″–5′10″ 170–178 |
141–172 64–78 |
37–39.4 94–100 |
| L |
5′9″–6′0″ 176–184 |
165–194 75–88 |
38.6–40.9 98–104 |
| L2P |
5′9″–6′0″ 176–184 |
176–203 80–92 |
39.4–43.3 100–110 |
| XL |
5′10″–6′2″ 178–189 |
185–214 84–97 |
40.2–43.3 102–110 |
| XL2P |
5′10″–6′2″ 178–189 |
212–229 96–104 |
42.5–45.7 108–116 |
| 2XL |
6′1″–6′4″ 186–194 |
203–238 92–108 |
42.9–45.7 109–116 |
| XXL2P |
6′1″–6′4″ 186–194 |
225–251 102–114 |
44.1–47.2 112–120 |
| 3XL |
6′4″–6′6″ 192–198 |
240–260 109–118 |
44.9–47.2 114–120 |
| XXXL2P |
6′4″–6′6″ 192–198 |
247–265 112–120 |
45.3–48.4 115–123 |
| 4XL |
6′4″–6′8″ 193–202 |
249–282 113–128 |
45.7–51.2 116–130 |
Boots
| Man | Boots |
|---|---|
| S | 40–41 |
| M | 41–42 |
| L | 42–43 |
| L2P | 42–43 |
| XL | 43–44 |
| XL2P | 43–44 |
| 2XL | 44–45 |
| XXL2P | 44–45 |
| 3XL | 45–46 |
| XXXL2P | 45–46 |
| 4XL | 46/47 |
Hoods, boots and gloves
Seac hoods, footwear and gloves
Hoods
| Hood size | Head circumference in · cm |
|---|---|
| XS |
20.9–21.3 53–54 |
| S |
21.6–22 55–56 |
| M |
22.4–22.8 57–58 |
| L |
23.2–23.6 59–60 |
| XL |
24–24.4 61–62 |
| 2XL |
24.8–25.1 63–64 |
| 3XL |
25.6–26 65–66 |
Footwear
| Footwear size | Foot length in · cm |
|---|---|
|
2XS EU size 36–37 · US size 4–4.5 · UK size 4–4.5 |
9 23 |
|
XS EU size 37–38 · US size 4.5–5.5 · UK size 4.5–5.5 |
9.4 24 |
|
S EU size 38–39 · US size 5.5–6.5 · UK size 5.5–6.5 |
9.8 25 |
|
M EU size 40–41 · US size 7–8 · UK size 7–7.5 |
10.2 26 |
|
L EU size 42–43 · US size 8.5–9.5 · UK size 8–9 |
10.6 27 |
|
XL EU size 43–44 · US size 10–11 · UK size 9–10 |
11 28 |
|
2XL EU size 45–46 · US size 11.5–12.5 · UK size 11–11.5 |
11.4 29 |
|
3XL EU size 47–48 · US size 12.5–13 · UK size 12.5–13 |
11.8 30 |
For the most accurate fit, we recommend referring to the foot length indicated in the size chart.
Gloves
| Glove size | EU size | Palm circumference in · cm |
|---|---|---|
| 2XS | 5 |
7.00–7.48 17.5–19 |
| XS | 6 |
7.48–8.07 19–20.5 |
| S | 7 |
8.07–8.66 20.5–22 |
| M | 8 |
8.66–9.25 22–23.5 |
| L | 9 |
9.25–9.84 23.5–25 |
| XL | 10 |
9.84–10.43 25–26.5 |
| 2XL | 11 |
10.43–11.02 26.5–28 |
Fins
Seac F100 Pro fins
| Size EU | Size UK | Size US | Weight lb · g |
Fin length (A) in · cm |
|---|---|---|---|---|
| 36/37 | 4/4.5 | 4/5 |
1.31 593 |
22.44 57 |
| 38/39 | 5.5/6.5 | 6/6.5 |
1.28 580 |
22.44 57 |
| 40/41 | 7/7.5 | 7/8 |
1.56 707 |
24.21 61.5 |
| 42/43 | 8/9 | 8.5/9.5 |
1.85 839 |
25.59 65 |
| 44/45 | 10/11 | 10/11 |
2.03 923 |
26.37 67 |
| 46/47 | 11.5/12.5 | 12/12.5 |
2.07 940 |
26.37 67 |
* The indicated weight refers to a single fin
Seac F1 fins
| Size | EU size | Foot length (A) in · cm |
Weight lb · g |
Fin length (B) in · cm |
|---|---|---|---|---|
| XS/S | 36/38 |
8.6–9.5 22–24 |
1.66 753 |
24.01 61 |
| S/M | 39/41 |
9.5–10.2 24–26 |
1.74 789 |
24.01 61 |
| M/L | 42/43 |
10.2–11 26–28 |
1.80 815 |
25.19 64 |
| L/XL | 45/47 |
11.4–12.2 29–31 |
2.11 955 |
26.37 67 |
From Seac’s chart: * The indicated weight refers to a single fin
Seac Propulsion fins
| Size | Weight lb · g |
Fin length (A) in · cm |
|---|---|---|
|
S/M Size EU 39/41 · Size UK 6.5–7.5 · Size US 6.5–8 |
1.88 852 |
24.40 62 |
|
M/L Size EU 42/44 · Size UK 8.5/10 · Size US 8.5/10 |
2.22 1009 |
26.37 67 |
|
L/XL Size EU 45/47 · Size UK 11/12.5 · Size US 11/12.5 |
2.56 1163 |
27.16 69 |
From Seac’s chart: The indicated weight refers to a single fin The sizes are indicatives and depends at the socks you want to wear
Seac Motus fins
| Size EU | Size UK | Size US | Weight lb · g |
Fin length (A) in · cm |
|---|---|---|---|---|
| 35/36 | 3/4 | 3/3.5 |
2.09 948 |
33.07 84 |
| 36/38 | 3.5/5 | 4.5/5.5 |
2.09 948 |
33.07 84 |
| 39/40 | 5.5/6.5 | 6.5/7 |
2.13 965 |
33.85 86 |
| 41/42 | 7/8 | 8/8.5 |
2.14 972 |
34.25 87 |
| 43/44 | 8.5/9.5 | 9.5/10 |
2.19 993 |
34.64 88 |
| 45/46 | 10/11 | 10/11 |
2.35 1064 |
35.43 90 |
| 47/48 | 12/13 | 12.5/13.5 |
2.51 1138 |
35.82 91 |
From Seac’s chart: * The indicated weight refers to a single fin
Seac Talent fins
| Size EU | Size UK | Size US | Weight lb · g |
Fin length (A) in · cm |
|---|---|---|---|---|
| 35/36 | 3/4 | 3/3.5 |
2.09 948 |
33.07 84 |
| 36/38 | 3.5/5 | 4.5/5.5 |
2.09 948 |
33.07 84 |
| 39/40 | 5.5/6.5 | 6.5/7 |
2.13 965 |
33.85 86 |
| 41/42 | 7/8 | 8/8.5 |
2.14 972 |
34.25 87 |
| 43/44 | 8.5/9.5 | 9.5/10 |
2.19 993 |
34.64 88 |
| 45/46 | 10/11 | 10/11 |
2.35 1064 |
35.43 90 |
| 47/48 | 12/13 | 12.5/13.5 |
2.51 1138 |
35.82 91 |
From Seac’s chart: * The indicated weight refers to a single fin
Source: Seac’s size chart (original chart 1, original chart 2, original chart 3, original chart 4, original chart 5, original chart 6, original chart 7, original chart 8, original chart 9) and Seac’s current size chart. Where the chart prints only one unit, we converted the other: inches from centimeters (to the nearest 0.1″); feet and inches from centimeters (to the nearest inch); pounds from kilograms (to the nearest pound).
Condition Note
- Open Box: Generally unused, returned from a customer, with minor blemishes that are not noticeable. Original packaging may be damaged or missing.
- Like New: May be slightly used but looks almost new, with minor blemishes that are not noticeable. Original packaging may be damaged or missing.
- Very Good: Shows signs of use with a few more blemishes. Original packaging may be damaged or missing.
- Good: Shows more signs of use with noticeable blemishes. Original packaging may be damaged or missing.
- Acceptable: Heavily used with more blemishes. Original packaging may be damaged or missing.
Payment & Security
Payment methods
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Save with Open Box or Used Purchase
Product Information
Wear the Seac Drysuit Unifleece Insulating Undergarment under your drysuit to stay warm while diving in cold water. Made from soft, lightweight, breathable material with a water-repellant outer layer. Double-Ended front zipper and ankle stirrups let you put on your drysuit without bunching. Carry extra gear in easy-access zippered pockets.
Features- Made from soft, lightweight fleece material for comfortable diving in cold water
- Breathable fabric with a water-repellant outer layer enhances thermal insulation
- Double-ended front zipper allows for easy donning of drysuits without bunching
- Ankle stirrups keep the undergarment securely in place during dives
- Designed as a unisex undergarment, suitable for all divers
- Open Box condition offers a high-quality product with minor cosmetic blemishes
⚠️ 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.















