OOFOS MEN AND WOMEN'S OOAHH SPORT FLEX custom-gender-unisex Our trail running shoe is

Our trail running shoe is built with computer-optimized CloudTec Phase® technology for a silky-smooth heel-to-toe transition

Jacquard and high-performance woven fabric upper reinforced with aramid fibers

” You’ve heard it before

it delivers a comfortable

Microfiber tongue for better breathability and comfort

OOFOS MEN AND WOMEN'S OOAHH SPORT FLEX custom-gender-unisex Our trail running shoe isOOAHH SPORT FLEX Men's Sizing Shown Product Details An evolution of the OOriginal, featuring an agile OOfoam strap for additional support and comfort. Sport Flex: A contemporary spin on the classic slide, with a sleek adjustable upper strap for a more optimal all around fit. OOfoam technology absorbs 37% more impact than traditional footwear. Patented footbed design reduces stress on knees, ankles and other joints. Closed cell foam is machine washable