The New Altra Footwear Lone Peak 3.5 (Purple) Women's Running Shoes, female, Shoes , Athletic , Running, 5.5 B - Medium, true, Conquer any trail with the Lone Peak 3.5 running shoe. Predecessor: Lone Peak 3. Support Type: Neutral to underpronation. Cushioning: Lightweight flexible response. Surface: Trail. Differential: 0 mm. Altra recommends that those new to natural running and zero-drop footwear transition slowly by wearing these on shorter runs and gradually building up to regular mileage. Natural-running-inspired shoe with a zero-drop differential and moderate cushioning that is ideal for trail running hiking fastpacking and trail racing. Designed to improve running form toe splay stability traction and comfort. FootShape toebox design allows the foot to splay naturally and maintain proper alignment while absorbing shock and promoting a more powerful toe-off. Quick-drying abrasion-resistant mesh upper features minimal seams to reduce the likelihood of irritation. Gusseted tongue helps keep debris out. Lace-up closure. Gaiter Trap features a tab to secure gaiter to the shoe without having to strap it below the outsole. Trail Rudder at back of heel. Light tongue and collar padding. Breathable fabric lining for a great in-shoe feel. No-slip sockliner design. Removable 5 mm Contour footbed. Zero Drop Platform promotes a natural foot strike and an efficient stride. Natural Ride system. Dual-layer EVA midsole with A-Bound top layer. Total Stack Height (total thickness of midsole and outsole underfoot): 25 mm. Altra MaxTrac sticky rubber outsole with TrailClaw for reliable traction over varied terrain. StoneGuard helps deflect rocks for a smoother more stable ride. Last Type: SD5. Imported. Weight of footwear is based on a single item not a pair.