Speedo swim hats speedo biofuse protective swimming cap black extra-large silicone cap built for high-volume hair. The speedo biofuse protective cap has an extra-large capacity and is designed to accommodate high-volume hair. Made from soft and stretchy elastomeric silicone for maximum comfort, it includes a textured inside for grip and a secure fit. Easy to put on and take off, it helps protect your hair against chlorine whilst creating a smoother profile in the water. Available in two sizes: size large provides a 94% increase in volume vs the speedo silicone moulded cap, while size xl provides a 154% increase. More room, more comfort, more pool time. High-volume fit elastomeric silicone chlorine protection textured grip interior two size options 3 key features elastomeric silicone construction the cap is made from elastomeric silicone, a material that is notably softer and more stretchy than standard silicone. This gives the cap its exceptional flexibility, allowing it to expand comfortably around large amounts of hair without pinching or pulling. The result is a cap you can wear for the full session without discomfort. Extra-large capacity for high-volume hair designed specifically for swimmers whose hair does not fit standard caps, the biofuse protective cap comes in two generous sizes. Size large offers a 94% increase in volume compared to the speedo silicone moulded cap, and size xl delivers a 154% increase. Thick, curly, locked or braided hair can finally be accomm...