The men's advancer qc climbing shoes are designed with both comfort and advanced construction in mind, they are versatile climbing shoes which provide long lasting performance across a variety of climbing terrains. While they were originally built for indoor climbing, they are also highly effective on real rock surfaces. The two velcro fastening system ensures a quick and secure fit, so you can focus on your climb without worrying about your footwear.two opposite velcros are fast and efficient ensures a snug fitlow, asymmetry, flat profile, average volumeheel rubber strap offers extra support on the sidescat 1.5 rubber and pretensioned stiff midsole for optimal performanceupper microfibermidsole 2d fit hardlast advanticsuitable for a variety of terrains such as rocks, boulder, indoor and multipitch foot type narrow normaltoe type greek, cubeweight 438g100% vegan colour blue