Asics Men's Gel-Quantum 180 Running Shoe 100% Textile/Synthetic Imported Rubber sole Rearfoot and Forefoot GEL Cushioning Systems, Attenuates shock during impact and toe-off phases, and allows movement on multiple planes as the foot transitions through the gait cycle Seamless Construction, the use of seamless materials reduces the potential for irritation and friction caused by traditional stitches and seams Trusstic System, reduces the weight of the sole unit while retaining the structural integrity of the shoe Solyte Midsole Material, a lighter weight midsole compound than ASICS' standard EVA and SpEVA. Also features enhanced cushioning and durability. ComforDry X-40 Sockliner, this premium sockliner features higher rebound properties while providing excellent moisture management, high-level breathability, and antimicrobial properties