The Aubrion React Winter Base Layer is designed for young riders, offering excellent layering for colder weather. It features a soft brushed inner with heat-regulating properties to keep you warm. The stretch fabric and slim fit provide a flattering, comfortable feel. A 1/4 zip neck allows for adjustable ventilation, ideal for riding or other activities. For added convenience, a concealed zip pocket is included to keep your essentials secure. The base layer is made from a blend of 88% Polyester and 12% Spandex brushed winter fabric. It is machine washable at 30°C.