Merrell Women's Agility Peak Flex Trail Runner 100% Fabric, Mesh, TPU Imported Rubber sole Fabric, mesh, and TPU upper, Reflective details for increased visibility in low light Merrell Omni-Fit lacing system: provides a precise glove-like fit, M Select FRESH antimicrobial agents reduces shoe odor Hyperlock molded TPU heel counter for security during quick decents and sharp turns EVA removable footbed, FLEXconnect EVA dual-directional flex-groove EVA midsole for agility and stability on uneven terrain M Select GRIP+ outsole with skeleton-inspired lugs: sticky and durable for superior grip and traction on wet or dry trails, Stack height (heel/toe): 33.25/27.25mm; footbed 6mm; insole: 0.75mm; midsole: 20/14mm; sole: 1.5mm web, 5mm lug, Weight: 9oz