evo.com | Oyuki Balaclavas > The Oyuki Proclava is made from a warm, breathable, fleece-lined, super-stretch material, with a strategic hinge point for uncompromised performance and compatibility with lots of different face shapes. 85% Polyester / 15% Spandex Hood Helmet Compatible This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. Ultrawarm One Size Fits Most | Oyuki Proclava 2026 in Black | Spandex/Polyester