Two layers of foam in the Contender Fight Sports Classic Super Bag Gloves offer the necessary protection for heavy hitters. Soft cotton fiber foam on the hand side and dense closed cell foam on the outside provides shock absorption Interior tricot lining keeps hands dry and quickly airs Wraparound hook & loop closure fits snugly and stabilizes the wrist Attached thumb secures the hand Synthetic leather construction ensures long lasting use 12-ounce foam builds endurance