ASICS Men's GEL Hyper Tri 2 Running Shoe 100% Synthetic Imported Rubber sole Rearfoot GEL Cushioning System: Attenuates shock during impact phase and allows for a smooth transition to midstance. Seamless Construction DuraSponge: Outsole A blown AHAR rubber compound for enhanced cushioning and durability in the forefoot. Perforated Sock liner: Optimizes moisture drainage and improves breathability. Elastic Laces: A classic triathlon feature allowing a runner to put the shoe on quickly, easily, and securely. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!