Natural Movement Design: Barefoot + minimalist principles with a wide toe box for natural splay, zero-drop for proper posture, and flexible, low-to-the-ground sole for a connected, natural experience Lightweight Performance: Trail running & hiking shoe True to size. Supportive Fit: Breathable mesh upper with moisture-wicking lining Added Protection: Welded overlays for protection & durability with internal tensioning strap system for a secure lockdown & support Durable: Dual chevron lugs for traction on the trail and beyond Tens of thousands of Xero Shoes customers loved the Mesa Trail’s combination of lightweight comfort and trail-gripping security. The Mesa Trail II improves on that with more rugged, durable, and protective welded components on the upper, a breathable mesh, and a moisture-wicking lining that’s ready for wherever you take it.