Nike Sportswear Tech Fleece Men's Shorts. WARM SHORTS READY FOR COOL WEATHER. Made with an innovative, proprietary new fabric, the Nike Sportswear Tech Fleece Shorts are a warmer version of a closet staple. From cooler weather to cooling down after training, this versatile style offers an elevated look and incredibly comfortable fit. Increased Visibility: Reflective fabric braided into zipper pulls increases visibility in low light conditions. Signature Details: Transparent surrounding tape highlights the signature zippered Tech Fleece pocket. Internal stash pocket helps keeps your phone and keys in place. Lightweight Warmth: Nike Tech Fleece sandwiches a layer of insulating cotton between jersey fabric for extra warmth without extra weight. More Details: Standard fit for a relaxed, easy feel.