Performance that moves with you. The ColdPrufA(R) Style 49A Performance Crew is built for cold to very cold weather and medium- to high-activity levels. Its athletic, close-to-body fit makes it an excellent base layer for winter layering or a comfortable standalone top during active days outdoors. The single-layer jersey knit construction blends ColdPrufA(R) Technical Fiber Polyester with Spandex for stretch, breathability, and all-day comfort. SILVADUR(TM) Intelligent Freshness technology helps minimize odor on the fabric, supporting extended wear during high-output activities. Best For Cold to very cold conditions Medium to high activity levels Winter sports and outdoor adventures Base layer or standalone wear Key Features Performance Fabric: Single-layer jersey knit delivers mobility and warmth without bulk. Odor Control: SILVADUR(TM) technology helps minimize odor buildup for freshness. Moisture Management: Wicks sweat and dries quickly for comfort during activity. UPF 50+ Rating: Excellent sun protection when worn alone. Comfortable Construction: Flat seams reduce chafing, and tagless labeling minimizes irritation. Classic Fit Details: Crew neck and set-in long sleeves for everyday versatility. Specifications Fabric Weight: 5.25 oz Fiber Content: 85% ColdPrufA(R) Technical Fiber Polyester with SILVADUR(TM) / 15% Spandex Fit: ColdPrufA(R) Athletic Fit (close, moves-with-you fit) Style Number: 49A Care Instructions Machine wash warm with like colors Use only non-chlorine bleach when needed Tumble dry low and remove promptly Low iron if necessary