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Balanced cushioning: Places your heel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your run.
Upper: eVent Fabrics
Footshape Toe Box: Allows your toes to relax and spread out naturally for more comfort and stability.
Gaitertrap: Hook-and-loop tab allows strapless gaiter attachment that prevents debris from building up beneath the shoe.
Trailclaw: Canted lugs positioned strategically beneath the metatarsals to provide traction at toe off.
Duratread: Durable outsole rubber made to last long and offer great grip on both tame and technical terrain.
Insole: 5 mm Contour Footbed
Midsole: Dual Layer EVA / A-Bound with StoneGuard
Outsole: MaxTrac Rubber with TrailClaw
Cushion: Moderate
The updated Altra Lone Peak 4 RSM is ready for any weather you choose to run through. As its name suggests, this member of the Altra All-Weather Series (AWS), is ready for Rain, Snow, and Mud (RSM). The upper is made of eVent. eVent is 100% waterproof and offers market leading breathability, delivering maximum comfort and protection in the widest range of conditions. In addition, the Lone Peak 4 RSM features a reinforced toe cap, modernized mountain design on the upper and 4-Point GaiterTrap technology. The updated gnarly Duratread, multi-directional outsole features accentuated TrailClaw for optimum grip and traction where you need it most.