Spin Boost String tech: Innovative enlargement of the string bed creates a more even power distribution and spin generation

V-Energy Shaft: V-shaped cross-section optimizes rigidity for enhanced power and stability

post-surgery recovery

The sockliner features a dyeing process that reduces water usage and carbon emissions compared to conventional methods

Altra Lone Peak 9 Waterproof Low Men's Gray Brand_Tifosi Spin Boost String tech: InnovativeBecome a trail legend in the Altra Lone Peak 9 Waterproof Low! This iconic off road shoe features improvements from top to bottom. No sew overlays and a ripstop mesh upper provide durability for high mileage journeys. Enjoy a lighter, more connected ride from the updated Altra EGO midsole. Get the classic Altra feel from the zero drop and roomy toe box. Grippy, protective and connected to the trail, the Altra Lone Peak 9 Waterproof Low is primed for