6.5 mm neoprene, smooth cuffs to limit water entry. The seams of the gloves are waterproof due to GBS assembly (Glued and Blind Stitched): the neoprene is glued and then stitched for maximum resistance (the needle does not go all the way through the neoprene to prevent water getting through). The pre-shaped fingers offer increased dexterity and mobility of the hand. The palm of the hand is reinforced with Supratex for added grip.
How to choose your size
Try them. Your diving gloves must be as tight as possible. They act as your second skin to ensure optimal thermal insulation.
Certification
These scuba diving gloves provide thermal protection that has been tested by the independent INPP institute (Marseille, France) in order to validate their compliance with the current standard (EN 14225-1:2017)
I have been using these in temps down to just below zero and they keep well insulated for at least 20 minutes of swimming before a fingertip will start to get cold. If I put them on warm with warm hands and leave a small air gap at the fingertips ( if don’t jam them on all the way to the tips) then they perform really well. Hands stay warm all the time and water barely gets in at all.
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6.5 mm thick gloves developed by our teams of divers for scuba divers in the coldest waters.