Performance fit with 6mm differential ideal for weightlifting and running on hard pack terrain. Reinforced medial and lateral sections increase protection for climbing ropes. A large contact area sole design enables good grip and stability when running or exercising. Features: - Fit: S = Standard fit, which allows for a roomy, more generous fit - Synthetic upper - Mesh lining - Injected EVA midsole - Sticky rubber F-lite outsole - 6mm drop - Weight 8.5oz (size 10) - Only available to ship within the USA