SPEEDO Critter Goo Bots Silicone Swim CapElastomeric Fit. Interior textured surface keeps cap in place. Soft stretchy silicone provides optimum comfort. Quick and easy on-and-off design won't snag hair. Latex-free. Introducing Speedo? Elastomeric Fit, the first silicone swim cap specifically designed for fitness swimmers. Elastomeric Fit offers greater elasticity and more comfort that traditional performance caps. The softer silicone compound created for Elastomeric Fit Fit Caps offers increased ease of stretch for everything a fitness swimmer needs.Fabrication: 100% soft and flexible Silicone