Seac Ultraflex 5mm Freediving and Spearfishing Gloves
Seac Ultraflex 5mm Freediving and Spearfishing Gloves - XS (X-Small) is backordered and will ship as soon as it is back in stock.
Pickup currently unavailable at In Store
Seac hood, boot and glove sizing. Imperial in bold, metric underneath.
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 |
Source: Seac’s current size chart.
Payment & Security
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Product Information
The Seac Ultraflex 5mm Freediving and Spearfishing Gloves are 5 mm Ultra Stretch neoprene gloves built for divers who need warmth without losing feel, with micro rubber inserts covering the entire outer surface for grip and protection, and the same Ultraflex design is also available in 2 mm and 3.5 mm thicknesses for warmer water.
Who it is for
These gloves suit scuba divers, freedivers, and spearfishers hooking carabiners, handling equipment, knotting, and adjusting buckles. The Ultraflex glove is available in 2 mm, 3.5 mm, and 5 mm thicknesses so you can match it to water temperature.
Key details
The glove body is cut from Ultra Stretch neoprene for flexibility through the palm and fingers, and micro rubber inserts across the entire outer surface add secure grip for knot tying, buckle adjustments, and equipment handling. A high cuff makes the glove easier to pull on and seats close to a wetsuit sleeve so you feel it as one piece with the suit.
Compatibility and sizing
Ultraflex gloves are sized by palm circumference across six sizes, from XS to 2XL:
- XS: 19 to 20.5 cm palm circumference
- S: 20.5 to 22 cm palm circumference
- M: 22 to 23.5 cm palm circumference
- L: 23.5 to 25 cm palm circumference
- XL: 25 to 26.5 cm palm circumference
- 2XL: 26.5 to 28 cm palm circumference
DiveCatalog.com is an authorized Seac dealer and a dive shop in Irvine, California, open since 2003. Call or chat with our team at 888-701-4017 if you need help picking a thickness or confirming your glove size before you order.
- Ultra Stretch neoprene construction gives the glove flexibility and comfort through the palm and fingers.
- Three thickness options of 2 mm, 3.5 mm, and 5 mm let you match the glove to water temperature and diving conditions.
- Full outer-surface micro rubber inserts provide a secure grip and added protection for freediving and spearfishing tasks.
- Natural palm and finger fit supports precise dexterity for buckles, clips, carabiners, and knots.
- High cuff design makes the glove easier to put on and seats close to a wetsuit sleeve.
- Six available sizes, XS through 2XL, sized by palm circumference for a range of hand shapes.
- Built for underwater sports including scuba diving, freediving, and spearfishing or underwater fishing.
| Brand | Seac |
| Model | Ultraflex |
| Thickness options | 2 mm, 3.5 mm, 5 mm |
| Material | Ultra Stretch neoprene |
| Outer surface | Micro rubber inserts for grip and protection |
| Cuff | High cuff for easier donning, felt as one with the wetsuit |
| Sizes available | XS, S, M, L, XL, 2XL |
| Palm circumference XS | 19 to 20.5 cm |
| Palm circumference S | 20.5 to 22 cm |
| Palm circumference M | 22 to 23.5 cm |
| Palm circumference L | 23.5 to 25 cm |
| Palm circumference XL | 25 to 26.5 cm |
| Palm circumference 2XL | 26.5 to 28 cm |
| Intended use | Scuba diving, freediving, spearfishing and underwater fishing |
⚠️ 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 thickness of dive boots, gloves, or hood should I choose?
As a general rule, thicker neoprene insulates more, so colder water pushes you toward thicker accessories, but fit, dive length, and personal cold tolerance matter as much as the millimeter number. Divers commonly lose a great deal of heat through the head, so a hood is often the highest-value warmth upgrade for the money. Remember that every added piece of neoprene also adds buoyancy you will need to account for.
How should dive boots fit?
Boots should fit like a snug athletic shoe, with no heel lift and no crushed toes; a little water inside is normal, a sloshing pocket is not. Try them on with the socks you would actually dive, and remember your fin foot pocket has to accommodate the boot. Hard-sole boots protect on rocky shore entries, while soft-sole boots are lighter and pack smaller for boat and travel diving.
How should dive gloves fit?
Gloves should be snug across the palm with fingertips reaching the ends without bunching, since trapped air and loose fingertips destroy dexterity. Thicker gloves are warmer but make buckles, clips, and inflator buttons harder to operate, so choose the thinnest glove that keeps you comfortable in your conditions. Try working a clip or buckle while wearing them before you commit.
How should a dive hood fit?
A hood should seal around the face and neck without restricting your throat or jaw, and lie flat on your head without pulling the mask strap out of position. A loose hood flushes cold water continuously, while an overly tight one is distracting and uncomfortable. Many hoods have a vent to release air trapped during descent, so check yours and burp out any trapped air before you go down.
Why does new neoprene feel so tight?
New neoprene compresses and relaxes with use, so a boot, glove, or hood that feels firm out of the packaging usually settles slightly after a few dives. It should still be snug afterward rather than loose, because neoprene that stretches into a loose fit was probably oversized to begin with. Buy for a snug fit when new, but never for a fit that restricts circulation or breathing.
Do I need to change my weighting when I add a hood, gloves, and boots?
Yes, because every piece of neoprene you add is buoyancy, and a hood, boots, and thick gloves together can shift your weighting noticeably. Do a proper buoyancy check any time you change your exposure protection rather than assuming your usual weight still works. The weight-check procedure is covered in your training, and a dive professional can help you re-do it.
How do I care for dive boots, gloves, and hoods?
Rinse them inside and out in fresh water after every dive day, since they hold sweat and salt more than any other gear, and dry them fully inside-out before packing. Dry them out of direct sunlight and never on a heater, because heat hardens neoprene and weakens glued seams. Store them dry and unfolded, as damp neoprene sealed in a bag is how gear picks up a permanent smell.
What is the difference between the 2 mm, 3.5 mm, and 5 mm Ultraflex gloves?
All three thicknesses use Ultra Stretch neoprene with micro rubber inserts, so choose the thickness that matches your water temperature.
How do I measure my hand for Ultraflex glove sizing?
Measure your palm circumference and compare it to the chart: 22 to 23.5 cm is Medium, 25 to 26.5 cm is XL.
Can the Seac Ultraflex gloves be used for scuba diving, or only freediving and spearfishing?
Yes, the Ultraflex line is designed for scuba diving, freediving, and spearfishing or underwater fishing alike. The Ultra Stretch neoprene and full-surface micro rubber grip work the same way whether you are managing a regulator and BCD buckles or handling a speargun and catch.
Is the 2XL size the same as XXL?
DiveCatalog lists the largest Ultraflex size as 2XL, covering a palm circumference of 26.5 to 28 cm.













