Handmade in Kyrgyzstan using wool from local

flexible construction for natural movement

gnarly trails during training runs and ultra marathons

Altra’s signature FootShape™ toe box that lets your toes relax and spread out for incredible comfort and freedom

and when coupled with the sock-like knit upper you get ultimate comfort with a fashion flair

Retro Oso Flaco mens Handmade in Kyrgyzstan using woolFor those who demand the best in performance focused minimalist footwear that can handle the BIG adventures, the Oso Flaco is super attractive. Using our specially developed Vibram Megagrip studded tread, we've built a sandal that can handle the complex world of real adventure: mountains, rivers, trails, mud.