Mittens are warmer than gloves, a fact that is noticeable underwater as well. During our numerous polar trips, we learned that divers underestimate heat loss under extreme conditions. We may understand we probably need a thicker undersuit, but when it comes down to the accessories, like gloves and hoods, the options are fewer. This high-quality 3D shaped glove features pre-bent fingers, a seal and a long zipper for easy donning. Polyurethane print in the palm provides a non-slip grip and abrasion protection. GloveGrip makes it easier to put on the second glove.