Topo Athletic - MTN Racer 4 - Black/Yellow - Men's Size:US9.5 and ergonomics

and ergonomics

the Naked® Running Vest does not employ straps of any kind across the chest

Rubber outsole offers great durability and traction

airBEAM™ along spine using recycled COOLmatic | EXP™ open mesh knit fabric for increased air circulation

Size M: A versatile option for medium-sized individuals

Topo Athletic - MTN Racer 4 - Black/Yellow - Men's Size:US9.5 and ergonomicsA fan favorite for race day and daily training, the Topo Athletic MTN Racer 4 offers rugged performance on technical trails. A 33 x 28 mm platform delivers underfoot cushioning and a protective barrier between you and the ground. Topo's new upper is fine tuned for performance on technical terrain. The MTN Racer 4 now features their FKT insole, allowing for faster water drainage and added rebound, while the improved gaiter attachment system keeps out