ASICS Men's Gt-2170 G-TX Running Shoe 100% Synthetic and mesh Rubber sole Discrete eyelets independently placed disburse lace tension, creating a customized fitting environment ComforDry Sockliner provides cushioning performance and anti-odor properties Solyte Midsole Material is a lighter weight midsole compound than ASICS' standard EVA and SpEVA that features enhanced cushioning and durability