The Aubrion React Winter Base Layer has a soft brushed inner with heat regulating properties, perfect for layering up in the colder weather. The stretch fabric and slim fit is figure hugging and flattering, whilst the 1/4 zip neck offers ventilation, perfect for riding or working out. A concealed zip pocket has been added for convenience to keep your valuables safe. Young rider winter base layer, perfect for layering up in cold weather, soft brushed inner, heat-regulating properties, stretch fabric, slim fit, 1/4 zip neck fastening, concealed zip pocket, machine wash 30°C, 88% Polyester, 12% Spandex brushed winter fabric. Sizes: Age 7 - 7/8 years, Age 9 - 9/10 years, Age 11 - 11/12 years, Age 13 - 13/14 years. The Aubrion React Winter Base Layer features a soft brushed inner with heat-regulating characteristics, making it ideal for layering in colder conditions. The stretch fabric and thin fit embrace and flatter the form, and the 1/4 zip neck provides ventilation, making it ideal for cycling or working out. A secret zip pocket has been included for convenience in keeping your things secure. Soft brushed inner for heat regulation. Stretch fabric and slim fit for flattering figure. 1/4 zip neck for ventilation. Concealed zip pocket for safekeeping of valuables.