Olympus 275 Size:14 hydration compatible with port at

hydration compatible with port at top of back panel

arch & metatarsal support

The outsole is made of a thin

Anti-odor treatment

Olympus 275 Size:14 hydration compatible with port atAltra went all in on tech so you can go all out on the trail. Its got durability, protection, and lightweight comfort from top to bottom. They partnered with MATRYX to design a one piece woven upper thats lightweight and protective, for high performance and high mileage. Protect your feet from debris with a built in scree sleeve. A zonal fit lock is designed to deliver a confident, secure fit while a TPEE sock liner helps improve underfoot longevity.