ECCO Men's Biom Hike GTX 1.7-M 100% Leather Imported Rubber sole Uppers made of smooth, full grain yak leather Gore-tex waterproof construction ensures dry and comfortable feet in wet weather conditions External polyurethane heel counter for enhanced stability on uneven off-road paths Direct-injected polyurethane midsole foam and roomy biom last provide long lasting cushioning and outstanding hiking comfort Rugged rubber outsole for outstanding grip and traction on various terrain