The updated Altra Lone Peak 4 RSM is ready for any weather you choose to run through. The upper is made of eVent™. eVent™ 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.
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FOOTSHAPE™Our signature FootShape™ comfort gives your feet more space to sit naturally and is designed to address biological differences in men's and women's feet.
BALANCED CUSHIONING™Our Balanced Cushioning™ platform positions your heel and forefoot at an equal distance from the ground, encouraging better alignment, better form, and a low impact landing.
TRAILCLAW™These canted lugs on the outsole are strategically placed beneath the metatarsals to provide added traction underfoot.
GAITERTRAP™This hook-and-loop tab allows our strapless gaiter to easily attach to the shoe, adding protection against rocks and debris.
DURATREAD™Our dense rubber outsole is designed to last longer and offer grip on both tame and technical terrain.
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- Weight: 10.9 oz / 309 g
- Insole: 5 mm Contour Footbed
- Midsole: Dual Layer EVA / A-Bound™ with StoneGuard™
- Outsole: Duratread™ Rubber with TrailClaw™
- Cushion: Moderate
- Stack Height: 25 mm
- Upper: eVent® Fabrics
