The ALTRA Women’s Lone Peak 9 Trail RS is built to deliver all-day comfort and confidence on even the most rugged trails. Its responsive “Shift™” midsole foam and FootShape™ toe box work together to let your feet move naturally, while the aggressive MaxTrac™ outsole and StoneGuard™ plate keep you sure-footed over rocks and roots. Lightweight yet protective, the Lone Peak 9 Trail RS helps you push further, faster, in total comfort.

Key Features:

FootShape Toe Box: Provides a natural, comfortable fit that allows toes to splay for enhanced stability and balance.
Shift Midsole Foam: Delivers a responsive, cushioned ride with exceptional energy return on varied terrain.
MaxTrac™ Outsole: High-traction rubber compound with lug patterns optimized for grip on wet, dry, loose, and uneven surfaces.
StoneGuard Rock Plate: Flexible internal plate that shields feet from sharp rocks and trail debris without sacrificing ground feel.
Balanced Cushioning™ Platform: Places the heel and forefoot at an equal distance from the ground to promote low-impact landings, better alignment, and natural stride.
TrailClaw Stickers: Molded rubber pods that provide extra traction on steep climbs and descents.
GaiterTrap System: Integrated lace-locking system for secure gaiter attachment and debris protection.
Lightweight, Quick-Dry Upper: Engineered mesh offers breathability, drainage, and quick drying after river crossings or muddy conditions.
FootPod Outsole Technology: Maps the bones and tendons of the foot to allow for natural flexion and enhanced proprioception.
10.5 US Women’s Fit: True-to-size with generous toe room to accommodate thicker socks or foot swelling on long adventures.