Swimming is really a splendid method to drive away the approaching hot summer. Well, as one of the basic necessary swimming equipment, our high-elastic and soft silicone swim cap may interest you and help you achieve a fast and safe swimming experience. Adopting ergonomically-designed brim and non-slip designed internal side, it can snugly fit you head and ear to effectively protect your short or long hair and ear from water. Additionally, its original 8.66inches x 7.48inches (L x W) size with high elasticity allows it to universally fit men and women having a head circumference between 19.7inches-22.8inches.