An excellent piece of performance headwear containing DexShell's patent construction technology to keep you dry and warm, with reflective yarns woven into the fabric to help you be seen at night. A quiet, non rustling and comfortable fit with a fine micro fleece fabric inner and close fit brim band to give a snug fit that resists the elements. Ideal for all outdoor activities including sailing, cycling, canoeing, walking, riding or running, anything where you may want to stay warm and dry. 100% acrylic outer shell with a breathable but waterproof membrane.