Product Details + Ultra-soft brushed fabric surface traps air to maintain warmthMid-Heavy weight warmth (3.0) makes Below Zero great for layering4-way stretch for ease of movementUPF rating 25 Climasense fiber fusion is designed to regulate your optimal temperatureThermoregulation technology provides comfort through a wide range of temperaturesUPF rated for sun protectionMoisture Management4-Way Stretch moves naturally with your body in all activities89% Polyester, 11% SpandexVendor Style Number: W9214