These Mayim lycra bathing caps are the perfect swim cap for all ages. Thanks to lycra fiber material, Mayim swim caps dry in minutes. Tear resistant, they are proven to be more the 8x stronger then other swim caps. Superior To Silicone. Unlike silicone, these lycra fiber swim caps will slide on and off with ease, and won't pull out any hair. Fits everyone thanks to its flexible material, our Lycra swim caps fits men, women, and childen.