These are the 3mm Henderson Aqualock Scuba Diving Gloves with Aqua Lock Seal These Great Gloves Feature: Designed as part of the Aqua Loc system Utilize the same construction techniques employed by all Aqua Loc Wetsuits Double glued and blind stitched inside and out Outer seam is coated with a special waterproof Aqua Loc liquid tape barrier which seals the seam from water entry and also helps protect the stitching from damage and unraveling Interior is lined with a Golden micro fleece lining which dries quickly and feels luxurious against the skin Improved ease of putting on and taking off the gloves 3 silicone O-ring seals which mate to the Aqua Loc wrist on the 5mm and 7mm jumpsuits Special gauntlet extension allows for a secure grip when pulling gloves over the mating skin wrist cuff Aqua loc glove exterior features Henderson&';s renowned Aquasilk laminate Special thermally bonded silicone grip pattern to assure a secure grip in all conditions Designed to be a part of the amazing new Henderson Aqua Lock wetsuit system.