Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Lightweight knit fabric feels smooth against your skin. Material: Polyester The Nike Legend Men's Sleeveless Poly Top is a versatile men's Dri-FIT top that features a basic, sleeveless design and moisture management properties to keep athletes comfortable during extended training sessions or activities. Nike's Dri-FIT moisture management technology helps transport moisture away from the body to the outer layer of the top, keeping the body cool and dry during intense action. The sleeveless construction of the Nike Legend Sleeveless Poly Top is ideal for a wide variety of training conditions, and allows for greater range of motion. Its 100% polyester makeup allows the Legend Sleeveless Poly Top to remain wrinkle-free and improves its ability to efficiently transport moisture away from the body. Nike has also included a neck tape for added durability and comfort. Nike Swoosh trademark is also located on upper left chest. 100% polyester.