Altra Women's Olympus 4 Navy/Coral slippers Featuring our patent-pending J-Frame™ stability

Featuring our patent-pending J-Frame™ stability technology

ultralight midsole foam that virtually disappears underfoot and is 15 percent lighter than the previous iteration

most energetic foams to date

Neoprene upper and lining with wide opening at top of foot and heel for easy entry

Altra Women's Olympus 4 Navy/Coral slippers Featuring our patent-pending J-Frame™ stabilityThe trail wont know what hit it with the new Olympus 4. This new model has a new look and everything you need for a new trail adventure. The breathable, durable engineered mesh upper is complete with a premium tongue for a tailored, locked in feel. The Vibram MegaGrip outsole excels in both wet and dry conditions while the high performance InnerFlex midsole offers comfortable flexibility. Strap your gaiters into the GaiterTrap and head for the trails