| RefrigiWear Flex-Wear Open Hole Mask | Lightweight | Navy | Ragg Wool/Polyester/Brushed | One-Size. RefrigiWear Long neck for draft protection4-Way stretch brushed inner liningStretch for easy-on and added comfort Flex-Wear is an extremely comfortable material that flexes and stretches with your movements. Best of all, it is very thin and lightweight, providing you with warmth without weighing you down.Made of comfortable, lightweight, flexible material, the Flex-Wear Open Hole Mask fits great under hats, has an extended neck to provide protection against drafts, and a brushed inner lining to provide... - RefrigiWear Flex-Wear Open Hole Mask | Lightweight | Navy | Ragg Wool/Polyester/Brushed | One-Size. |