Cycling Bargains - Castelli Estremo Skully Headbands - Using WINDSTOPPER® X-Fast fabric & Castelli’s Warmer Estremo Fabric keeps warmth in but is breathable.
WINDSTOPPER® X-Fast Total wind protection and great breathability. This fabric uses an internal brushed fleece for excellent insulation and to reduce moisture build up. It is treated with a DWR water-repellent finish to shed rain. Warmer Fabric Warmer, more than just the name, it is exactly what this fabric delivers during workouts. It’s fleecy inside keeps you warm, while 100% polyester fibres quickly wick sweat away. It’s the fabric of choice when thermal insulation is equally as important as moisture management.