FIT The combination of adaptive midsole and PRIMEKNIT upper creates a stretchy, breathable and seamless sock feel that conforms to your foot shape and the natural expansion of the foot. Waterproof and seamless Primeknit outer fabric offers a perfect fit thanks to a lightweight, pliable knit fabric in one step Abrasion resistant welding: protection Continental Rubber outsole - exceptional traction in wet and dry conditions. EVA stabilization frame: for lateral stability and metatarsal support. International products have separate time keeping, may be caused by local products, including form, age indications, and language of product, labels or instructions.