Product Information for Altra Footwear Product Description The Lone Peak 2.5 was inspired by one of the most rocky, rugged mountains in the Wasatch Range and was designed to tackle the gnarly terrain of the Wasatch 100. It features our signature combination of fully cushioned Zero Drop™ and a FootShape™ toe box along with other trail dominating features. Sandwiched StoneGuard™ technology offers protection from rocks and other trail debris while the carbon rubber TrailClaw™ outsole combines unique uphill and downhill lug traction for every trail condition. WHAT'S NEW: Redesigned Upper, Improved Upper Durability, Improved Lacing System, Slightly Firmer Midsole, Lighterweight. Ideal Uses: Trail Running, Hiking, Fastpacking, Trail Racing. Designed to Improve: Running Form, Toe Splay, Stability, Push-off, Comfort, and Traction. Additional Info Trail Running , Hiking , Running , Support and Stability Running , Performance To Run , Trail Running Fit: True to Size Outsole: Sticky Rubber TrailClaw™ Upper: Quick-Dry Trail Mesh Imported