Lining: 85% Nylon/15% Spandex

Not recommend to save lives

52% Cotton/48% Polyester

Product Dimensions: 72" x 2"

With a sophisticated shirt style

Hammer Head Swim Caps Safe and Fast Silicone Swim Cap YGroup_8641401585832 Lining: 85% Nylon/15% SpandexThe Hammer Head Swim Caps Silicone Swim Cap is designed with HIT technology, a patented cushion inside to minimize accidental and repetitive head hits in the pool or open water alike, making it 50% safer than other swim caps. It's designed for racing with a wrinkle free dome surface that reduces frontal drag by up to 10. 5%. It's available in three sizes, giving you the most comfortable fit. Even better,not one Hammer Head cap has ever torn, making it