ADDED WARMTH WITHOUT EXTRA WEIGHT. The Nike Sportswear Tech Fleece Crew updates a classic silhouette with lightweight double-sided spacer fabric for added warmth without extra weight. Surrounding transparent tape highlights the signature Tech Fleece pocket detail on the sleeve. Tech Fleece is a lightweight insulator with a premium look and construction.An interior pocket in the sleeve pocket helps keep keys and other essentials easy to grab. Woven binding at cuffs and hem provides a clean, comfortable look.