An evolution of the OOriginal, featuring an agile OOfoam™ strap for additional support and comfort. 

Sport: Features bold, sporty, hand-painted graphics on the upper strap.

Unisex Sizing:

Listed in mens sizes. For womens size subtract 2 from the size you normally take. 

Ex. If you take a women's 7, subtract 2 to get your size. (M5)