All-new ReactX foam midsole is 13% more responsive than previous React technology

Hit the ground running in the Brooks Hyperion Max

In the outsole is an innovative RoadTrack rubber

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

mountains and obstacle courses

Women's Topo Aura Brand_Steigen All-new ReactX foam midsole isMeet the stability shoe youve been waiting for. Aura effortlessly combines Topo's signature fit with pronation support and max cushioning, so you get the best of it all. Unique Y Frame Guidance System offers a smooth and stable ride, while plush cushioning is paired with responsive ZipFoam midsole for comfort youll feel all way through! 5mm drop, 258 grams.