The Only Towel You Need® because it is a high-performance towel perfect for travel, beach, yoga, & more. Designed as a versatile go anywhere, do anything accessory, the original towel is made with recycled micro terry fabric that loves the aftermath of active activities. It's pet hair, odor, and sand resistant. Plus the Swell dries quick and resists slipping when your sweat can't be contained. Isn't that Swell?