Mens Altra Olympus 5 Size:US 12 Consume during exercise to help

Consume during exercise to help reduce lactic acid buildup and maintain muscle strength

to 100km races

Shorter pliable SOFTcurved pre-curved brim for easy packability

a winter sports mode

DWR finish is made without PFCs (perfluorinated chemicals)

Mens Altra Olympus 5 Size:US 12 Consume during exercise to helpThe Olympus 5 is Altra's most cushioned trail running shoe. The Altra's signature Original FootShape Fit is designed to give your feet the space they need to sit and move naturally through the shoe. The high stack of cushion offers plenty of comfort and protection underfoot. The Balanced Cushioning places your heel and forefoot the same distance from the ground to encourage proper, low impact form. The upper uses a breathable engineered mesh upper and