Stretch waist Tight fit with high rise Zip phone pocket at center-back waist Reflective details For most runners, the cold is a challenge, not a temperature. This adidas gives you all the comfort you need for your winter runs. Made of soft, stretchy fleece, it features pre-shaped knees for free movement. Reflective details provide 360° visibility, ideal for those shorter winter days. Stash your phone in the waist pocket and go.