Speedo swim hats speedo biofuse solid swimming cap black soft, stretchy silicone comfort for every training session. Upgrade your workout with the speedo biofuse solid swimming cap in black. Soft and stretchy elastomeric silicone delivers a comfortable and secure fit, while the easy on-and-off design makes changing a breeze. Made from 100% silicone, it features a textured inside for grip so the cap stays firmly in place from warm-up to the final length. Comfortable, secure, and ready every session. 100% Silicone elastomeric stretch easy on and off textured inner grip secure fit 3 key features elastomeric silicone comfort the biofuse cap is made from elastomeric silicone, which is notably softer and stretchier than standard silicone. This gives it a cushioned, skin-friendly feel that holds up across long training blocks. It sits gently against the head without creating pressure points or pulling at the hairline. Textured inner for a secure hold the textured interior surface grips the head to keep the cap in position throughout your swim. There is no need to readjust mid-session, even during flip turns or fast-paced sets. The grip works with the stretch of the silicone rather than against it, so the fit stays comfortable at the same time. Effortless on and off the easy on-and-off design means poolside transitions take seconds rather than a frustrating tug-of-war. The soft silicone flexes freely as you pull the cap on, reducing the risk of it tearing or losing shape over tim...