The brand new Biofuse Rift mask has been redesigned for an even more stimulating swimming experience. With Speedo's Biofuse technology, this mask is made from super-soft, flexible materials that adapt to the shape of your face, prioritizing your comfort. The new, easy-to-use locking mechanism, combined with the wide split strap, ensures a practical and comfortable fit while swimming. Ideal for open water and triathlons. Biofuse offers an optimal fit and good wearing comfort, designed to enhance the body's natural mobility and strength in the water. These products represent a balance of strength and flexibility, inspired by the human body, with which the Biofuse products work harmoniously.