Description of The North Face Arnuva 50 Boa Quick, light and ready to take on whatever trails you're running to. The North Face Arnuva 50 Boa features X-2 cushioning in all high impact areas and the Boa lacing system for quick and easy on the fly adjustments. Antimicrobial treatment fights odors and disease-causing bacteria and The North Face outsole with Tenacious Grip provides superior traction on a variety of weather conditions and temperatures. The North Face Arnuva 50 Boa is built for the ultra distance runner who runs trails, dirt paths, even road, and offering the innovative Boa® lacing system for a secure, near-custom fit. Features: Last : Endurance Running Sizes : 8-12, 13, 14 Last Endurance Running Avg Weight : 1 lbs 9 oz (709 g) Flight Series™ - Developed for multisport athletes, the Flight Series™ features ultralight, multi-purpose apparel, equipment and footwear. This athlete-tested performance collection is designed for done-in-a-day and weekend adventures when fast and light packing is paramount. Northotic™ Anti-Microbial Footbed - The Northotic™ is a multi-density footbed that provides enhanced stability, support and cushioning on the trail. AgION Antimicrobial - A silver agent woven into the footbed inhibits the growth of odors and disease-causing bacteria. X-2™ Cushioning - Embedded in high impact areas, the heel and/or forefoot areas, lightweight, durable X-2™ cushioning ensures a well-cushioned ride and enables an energy-efficient stride. Boa® Lacing System - Unlike traditional lacing systems, the carefully engineered Boa® system enables minute adjustment for optimum closure force each and every time, and enables simple, on-the-fly adjustment. With the Boa® there are simply no pressure points. Instead, it operates like a special suspension system that enables the runner to dial in an even and repeatable tightness. Built for the ultra-distance runner who runs trails, dirt paths, and roads, and offering the innovative Boa® lacing system for a secure, near-custom fit UPPER Boa® multi-adjust lacing system Abrasion-resistant bomber synthetic nubuck with highly breathable and protective sandwich mesh upper TPU injection saddle for optimal lateral and medial stability and support Sure Grip heel lining panel prevents heel slip and minimizes friction Northotic™ ergonomically designed footbed with Poron® forefoot and heel inserts and AgION™ antimicrobial footbed covering BOTTOM Ultra lightweight compression molded EVA midsole combined with X-2™ polymer dampening compounds provides high impact cushioning and long lasting support Rear foot compression cage delivers mechanical assistance to midsole components and neutral guidance for mild pronators Proprietary The North Face® outsole with Tenacious Grip™ rubber compound provides excellent traction both on- and off-road as well as stability and durability under a variety of weather conditions and temperatures