Amika Shower CapShower without sabotaging your style. protect against wet with this one size fits all style extending must have. why it's special waterproof exterior keeps all moisture out during shower and heat in during treatments. 100% terrycloth lining wicks away steam and humidity, even at the hairline. to stay dry, tuck hair into cap + pull elastic securely over head. to enhance treatments, turn cap inside out + place over treatment coated hair. as needed, hand