Lululemon Fresh Tracks Half Zip. Good used condition, only a few signs of use. White. Size 12. One pocket on the front, with zipper. This half zip was designed to provide warmth without the weight to keep you toasty on outdoor runs. Sweat-wicking Tech Fleece is thermal and brushed on the inside for warmth and comfort, heat retention, sweat-wicking, brushed for warmth. Smoke free home.