The Black Diamond Zone LV Rock Climbing Shoes are a two-strap Velcro shoe that combines the comfort and breathability of Momentum climbing shoes, with the high-performance last of our Shadows to create a shoe built for sending at the gym or the crag. Engineered Knit Technology upper provides exceptional breathability and comfort 4.3mm Fuse rubber is printed and molded for superior grip, optimal consistency, and performance Downturned last for steep pulling Minimalist midsole for extra sensitivity on steep terrain Two Velcro straps for fit adjustability - one designed extra wide for locking in an aggressive fit LV = a narrow last for low volume feet