Product Features * Fits true to size, order your normal size * Waterproof, Ortholite® footbed, temperature rated to -25°C (-13°F). * Chunky rubber outsole * TPU shell extends higher up the foot, offering protection from all weather conditions and acting as a mudguard * Polyester/TPU/polyurethane upper, polyester faux fleece lining, rubber sole * Imported They accompanied me through a very enjoyable one-week trip to Alaska. The shoes were well protected, very clean, and kept me warm. I wore them with insoles at the time, so the inside of the shoes remained very clean.