Hybrid performance design that combines the look of a slim jogger with the functionality of a running tight. The tapered silhouette emerges from a back calf panel made from our WarpFlexx® legging material. The body of the jogger is constructed from our adaptive Tetra-Lite® material, delivering 4-way stretch and light weather protection. Storage includes two zippered pockets on the front, a bounce-free phone pocket on the back waistband, and a shirt loop. Model is 5'11 170lbs and usually wears size M. This product fits true to size so he is wearing size M for a slim, performance fit.