Altra Olympus 275 Hilo Shoe - Womens Mountaineering glasses Medium back: 1060g / 37

Medium back: 1060g / 37

X-Skin hyper stretch fabric undershorts are quick drying

WingLock™ Valve: Delivers fast one-way inflation and rapid deflation without giving up the ability to easily purge air while you lay on it for comfort micro-adjustments

Sheath proportion: 38 %

single-wall construction keeps the bowl simple and clean

Altra Olympus 275 Hilo Shoe - Womens Mountaineering glasses Medium back: 1060g / 37Climb the ups and fly the downs in a shoe built to deliver confidence, durability, comfort, and grip with tech made for technical terrain. Overview Climb the ups and fly the downs in a shoe built to deliver confidence, durability, comfort, and grip with tech made for technical terrain. The Olympus 275 HiLo has an updated Altra EGO MAX midsole foam thats 15% lighter and 10% softer than the previous version for a plush underfoot feel in every step. With