Merrell Men's Sonic Glove Trail Running Shoe 100% Textile and synthetic Synthetic sole Vegan construction Omni-fit lacing system Aegis odor-absorbing footbed 1mm forefoot shock-absorption plate 4mm compression-molded EVA midsole Back pull loop Fused rubber toe bumper Vibram outsole A list of stability features ensure a minimal, glove-like fit, while waterproofing and outsole support keep feet protected from the elements.