Features of the KEEN Men's Austin Canvas Shoe Out-of-the-Box Comfort: Instant KEEN comfort with no break-in period. Cushions Every Step: A removable EVA insole with arch support and lightweight EVA Midsole offer athletic cushioning to keep going all day. One Shoe, All Year: Lightweight canvas feels and looks good in every season. Non-marking rubber Outsole leaves no trace Eco Anti-Odor for natural odor control Material Details Lightweight canvas Upper Higher-traction rubber Outsole Compression-molded EVA Midsole for cushioning Removable PU insole for long-lasting comfort