7mm Henderson Aqualock Scuba Diving Gloves with Aqua Lock Seal 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 3 silicone O-ring seals which mate to the Aqua Loc wrist on the 5mm and 7mm jumpsuits Improved ease of putting on and taking off the gloves House of Scuba is an authorized Henderson dealer