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 MaxTrac™, multi-directional outsole features accentuated TrailClaw™ for optimum grip and traction where you need it most.

MAXTRAC™
A perfect combination of grip, traction and durability that will eat up gnarly terrain like a boss.

TRAILCLAW™
This unique tread pattern positions lugs beneath your metatarsals for incredible traction in steep climbs and descents.

4-POINT GAITERTRAP™
Hook-and-loop tab allows strapless gaiter attachment that prevents debris from building up beneath the shoe.

FOOTSHAPE™ TOE BOX
Allows your toes to relax and spread out naturally for more comfort and stability in uphill climbs and downhill descents.

ZERO DROP™ PLATFORM
Places your heel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your trail run.
Specs
- Stack Height: 25 mm
- Weight: 10.9 oz / 309 g
- Outsole: MacTrac™ and TrailClaw™
- Midsole: A-Bound™ and EVA with sandwiched StoneGuard™
- Upper: eVent® Fabrics
- Reviews
- Shipping
Region Carrier Cost Squamish In-store Pickup $0.00 Within BC FedEx 2-Day $12.00 Canada-wide FedEx 2-Day $17.00 U.S. (Continental) FedEx Ground $22.00 International FedEx International Quote Rates will automatically be applied at checkout.
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