- 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.
- 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.
- Maxtrac - A perfect combination of grip, traction and durability that will eat up gnarly terrain like a boss.
- Stack Height - 25 mm
- Weight - 10.9 oz
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-Weather Series (AWS), is ready for rain, snow, and mud (RSM). The upper is made of eVent, which is 100% waterproof and offers market leading breathability, delivering maximum comfort and protection in the widest range of conditions. In addition, features a 4-Point GaiterTrap and stickier MaxTrac outsole with multi-directional lugs.