SEAC EQ-PRO BCD
In stock — ships from Irvine, CA
This item is currently on backorder. Order now to reserve yours, and we will ship it as soon as it is back in stock.
SEAC EQ-PRO BCD - M (Medium) is backordered and will ship as soon as it is back in stock.
Pickup currently unavailable at 23D
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 (view). 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).
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Product Information
The SEAC EQ-PRO BCD is a practical harness-style buoyancy compensator designed for scuba gear and diving sessions. It delivers quick, easy on-and-off with a single center buckle and straightforward adjustments to the front and shoulder straps. The Frame to Back system starts the shoulder strap adjustments at the backpack, helping keep weight distributed evenly and preventing warping for stable buoyancy underwater.
An independent bladder design reduces abdominal squeeze for comfortable diving, while a low-drag silhouette improves hydrodynamic performance. 3D mesh inserts provide a comfortable fit for a wide range of body shapes, minimizing rubbing for both men and women. The EQ-PRO BCD is offered in five sizes to accommodate diverse divers.
- Ultra-practical harness for easy on-and-off during scuba diving sessions.
- Frame to back system ensures the weight stays distributed correctly without warping.
- Independent bladder design allows for optimal comfort without squeezing the abdomen.
- Low-drag design enhances hydrodynamic performance underwater, ideal for efficient diving.
- 3D Mesh inserts provide a comfortable fit for both men and women, reducing rubbing.
- Available in five sizes to accommodate a diverse range of body types.
⚠️ 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
How should a scuba BCD fit?
A BCD should fit snugly enough that it does not ride up toward your ears when inflated, while still letting you breathe fully. Fasten the waist and cummerbund first, then adjust the shoulder straps so the tank sits close to your back and the shoulders cannot slide off. With the BCD fully inflated at the surface you should still be able to take a deep, comfortable breath; if it squeezes your chest, loosen it or move up a size.
How do I rinse and care for a BCD after diving?
Rinse the outside in fresh water and also flush the inside of the bladder, because salt water gets in through the inflator and dump valves. Fill the bladder roughly a third full of fresh water through the oral inflator, slosh it around, then drain it out through the inflator and each dump valve. Hang it to dry out of direct sunlight and store it partially inflated so the bladder walls do not stick together.
Should I use integrated weights or a weight belt?
Integrated weight pockets carry the lead in the BCD itself, which many divers find more comfortable and easier on the hips, while a weight belt keeps the weight independent of your BCD. Either way, you must be able to release your ditchable weight quickly with one hand, and your buddy should know how your system releases. Non-ditchable trim pockets are useful for balance but should never hold weight you might need to drop.
How do I pack a BCD for travel?
Make sure the BCD is completely dry inside and out before packing so it does not mildew in transit. Remove all weights, deflate it fully, and fold or roll it around softer items such as a wetsuit to cushion the inflator and valves. Avoid hard creases in the air cell, and unpack and air it out as soon as you arrive.
When does a BCD need to be serviced?
Follow the service interval in the manufacturer's manual, which is commonly an annual inspection alongside the rest of your life-support gear. Have the inflator, dump valves, and bladder checked any time the inflator sticks, free-flows, feels rough, or the BCD holds air poorly. Between services, confirm that it inflates and deflates properly as part of every pre-dive check.
What is the difference between a jacket-style and a back-inflate BCD?
A jacket-style BCD holds air in panels that wrap around your sides as well as your back, while a back-inflate BCD keeps the entire air cell behind you. Jacket styles tend to feel very stable and upright at the surface, and back-inflate styles keep the chest clear and are often preferred for horizontal trim underwater. Neither is objectively better, so treat it as a fit and preference decision and try both if you can.
Will my BCD fit any scuba tank?
Most recreational BCDs use an adjustable cam band sized for common single-cylinder diameters, so standard aluminum and steel tanks generally work. Re-check the band tension after the first wetting, because webbing can relax slightly and let the tank shift. If you dive doubles or unusual cylinder diameters, confirm compatibility with the manufacturer before assuming it will hold.


















