From Merrell, the Women's Speed Strike 2 Hiking Sneakers feature: Synthetic and mesh upper 100% recycled laces and webbing Padded collar Protective and abrasion resistant synthetic heel and toe cap Heel loop for ease of entry as well as carabiner compatibility 100% recycled webbing 100% recycled breathable mesh lining 50% recycled mesh footbed cover Cleansport NXT™ treated for natural odor control 50% recycled removable EVA foam footbed Lightweight EVA foam midsole for stability and comfort Rubber outsole Stack Height (heel/toe): 34-24mm; Drop: 10.0mm; Lug Depth: 4.0mm Imported.