GSX Women's Hyper Performance Short Sleeve Crew Neck Tee Size M The GSX Women's Hyper Performance Short Sleeve Crew Neck Tee in size M is a stylish and comfortable basic t-shirt designed for women. Made from a polyester blend material, this tee features a round neckline and classic/fitted sleeves, making it perfect for casual wear. The beetroot red color adds a pop of color to any outfit, and the regular fit ensures a flattering silhouette. Perfect for active or everyday looks, this t-shirt from GSX is a versatile wardrobe staple.