This is the Aqua Lung Commercial Grade Dry Glove with Liners for Drysuit Features: Tough exterior glove provides excellent durability and abrasion resistance Inner glove liner provides exceptional warmth Compatible with Dry Glove Lock System & Quick Glove Rings. These gloves can be used in conjunction with the 2 above wrist ring systems. Place the colored rings inside the glove, slide the black glove ring over the glove and inside ring and voila! "