Rubber sole User Profile - Ideal for runners and light hikers who take their adventure off road yet may encounter challenging trails and weather and want a balance of protection, stability and traction. Weight - 400 g / 16.5 oz per shoe GORE-TEX Waterproofing - Keep your feet dry with GORE-TEX waterproof and breathable lining with added Gore-Flex stretch comfort. AirMesh outer fabric breaths and dries quickly while providng abrasion resistance against sharp trail objects. The Mudguard Microfiber fabric on the lower edge of the shoe keeps out the mud when puddle hopping. Medium & Wide Widths - Available in both Regular(D) and Wide(E) widths to accommodate more feet for enhanced comfort and a sure footed, stable hiker. 12mm heel-to-toe drop in this neutral runner provides a smooth foot strike. Sure Grip Sole - Frixion XF 2.0 Outsole with Impact Brake System provides excellent traction and stability on any type of terrain. Compression-molded EVA midsole absorbs shock and provides ample cushioning. Nylon molded flex TPU transfer shank provides stability along the lenth of the foot. Foot & Ankle Support - Reinforced heel cup provides stability trail runners and ultralight backpackers need for high mileage days on rugged and rocky trails. Innovative lacing system distributes tension evenly over the foot for a supportive fit and feel. Rubber toe cap protects toes from unexpected trail obstacles.