PETZL Buff PRO Helmet Liner for use Under Helmets Medium/Large

LINER Breathable cap for wicking perspiration LINER is a breathable cap for wicking perspiration and drying quickly. The seamless fitted design makes it comfortable to wear under a helmet, without getting in the way. Breathable membrane allows perspiration to be wicked and to dry quickly Designed for wearing under a helmet: seamless fitted design makes it very comfortable to wear under a helmet Machine washable up to 40° C Specifications Weight: 15 g Material(s): polyester, spandex