These nike air zoom winflo 6 ladies running shoes have been engineered with two zoom air units for targeted responsiveness in the forefoot and heel, whilst the lightweight cushlon foam midsole delivers soft and springy cushioning for the ultimate ride. The shoes have a waffle tread on the medial side for enhanced traction, whilst the rubber crash rail on the lateral outsole improves durability and the partial bootie construction ensures you get a snug fit. Ladies running shoes lace up partial bootie construciton engineered mesh and synthetic upper heel foam sweeps away from achilles for optimal support cushlon foam midsole 2 zoom air units modified waffle tread on medial side for added traction rubber crash rail on lateral outsole crash pad in hard wearing areas upper lining textile outsole synthetic