From Merrell, the Women's Moab Speed 2 Vent 2K SE Hiking Sneakers feature: Breathable mesh, synthetic, and TPU upper Protective and abrasion-resistant rubber heel and toecap recycled webbing Rock plate for protection recycled mesh footbed cover Cleansport NXT™ treated for natural odor control recycled laces recycled breathable mesh lining recycled removable EVA foam footbed FloatPro™ Foam midsole for lightweight comfort thatlasts Vibram TC5+ outsole provides exceptional traction for outdoor multi-sport activities, formulated exclusively for Merrell Approx. 34-24mm stack height Approx. 0.39" drop Approx. 0.16" lug height Imported.