The Nike Air Pegasus+ 25 ESC trail running shoe has a durable mesh upper that features H2OREPEL for long-lasting water repellence. Ruggedized overlays along the toebox and heel boost protection and durability. Gusseted tongue helps keep trail debris and moisture out. Full-length Air-Sole® unit is capped by a soft, internalized PU Rideliner for cushioning that feels great and lasts. De-coupled and articulated crash pad promotes smooth, efficient foot strikes. TPU Archbridge adds support. Internalized Stoneshield helps prevent bruising underfoot on rocky, rooty terrain. Unique outsole geometry blends Waffle® lugs, Waffle® Blades and ripples for exceptional all-weather traction, on-road or off. Majority of the outsole is formed from environmentally friendly green rubber. BRS 1000™ at the heel. Wt. 12.6 oz.