• Exclusive XC4® design with breathable, waterproof knit upper that offers superb performance.
• Recycled lining with temperature-regulating J&M Smart Degree Technology® that activates at both hot and cold temperatures, so your feet feel just right all day long. 
• Removable, memory-foam cushioned footbed with contoured arch support and a moisture-wicking covering.
• Rubber sole for traction and durability.