From Merrell, the Men's Speed Strike 2 Hikers feature: Synthetic and mesh upper Padded collar Protective and abrasion resistant synthetic heel and toe cap Heel loop for ease of entry as well as carabiner compatibility Cleansport NXT™ treated for natural odor control recycled laces and webbing recycled breathable mesh lining recycled mesh footbed cover recycled removable EVA foam footbed Lightweight EVA foam midsole for stability and comfort Rubber outsole Imported.