Altra Olympus 275 Running Shoe – Men's size-10 while the engineered mesh upper

while the engineered mesh upper keeps things breathable through long

Seam-sealed waterproof leather and ballistic nylon paired with 200g Heatseeker Eco insulation keeps feet dry and warm in genuinely nasty conditions

while 70% post-consumer recycled Heatseeker insulation in the hood keeps weight low and packability high

Premium Wolverine suede overlays deliver a durable

Engineered mesh upper wraps the foot securely while staying breathable in Southern heat and humidity

Altra Olympus 275 Running Shoe – Men's size-10 while the engineered mesh upperBuilt for ultras and long days on technical terrain, the Olympus 275 is our top pick when you need max cushioning without sacrificing trail feel. A MATRYX Kevlar woven upper paired with Vibram Megagrip handles abrasion and wet rock grip alike, while the built in scree sleeve and zero drop FootShape toe box keep tired legs moving efficiently deep into a long effort. Vibram Megagrip outsole delivers dependable traction on wet and dry surfaces no second