Exclusive XC4® waterproof performance and comfort. Seam sealed construction and waterproof leather. 100% recycled J&M Smart-Degree Technology® lining provides temperature control. Dual width removable footbed with memory foam accommodates custom orthotic or wide foot. High rebound, ultra comfortable XC Foam® midsole. Highly-durable rubber outsole. Leather Working Group Gold Rated Tannery.