Gill Rash Guards are made from a high quality 4-way stretch lycra and come in a number of color and style combinations. We have menÆs and womenÆs options in both short and long sleeves. All our Rash Guards offer excellent UV protection (UPF50+), are quick drying and have flat locked seams for reduced chafing. Gill 4421W Women's UV Sport Rash Guard Short Sleeve Features: 6oz 4 way stretch fabric for comfort and fit. Lycra fabric - more durable than polyester. Can be worn as a layering piece for comfort or alone on warmer days for sun protection. Durable stretch print detailing. Flattering Women's fit. Sizes based on Women's Sizing Chart.