ASICS Top Impact Singlet XTR711, size S. This item has been stored at home for a long time. Due to the compression fit, even though it's size S, it feels smaller than XS, and is tight even for slender men. There are four small holes where race bib pins were attached, though they are not easily noticeable. Please refrain from purchasing if you are sensitive to used items as this is an old product. 【Product Description】 ■Color: White x Black "A running shirt that fits" to support proper posture by pulling the shoulder blades inward. "Diamond Back" material is used on the back. It supports proper running posture by pulling the shoulder blades inward. The high-elasticity fabric "Diamond Back" sets the shoulder blades in the correct position. Improved oxygen intake capacity Wearing it is expected to open the rib cage and improve oxygen intake efficiency. ■Material: 80% Polyester, 20% Specified Fiber (Dow XLA) (XLA Inner Knit) ■Function Details Sweat absorption/evaporation: Uses a material that absorbs sweat from the body and quickly evaporates it. Stretch: Uses a stretchy material that stretches and contracts with body movement. UV cut: Uses a material with UV protection. Stain resistance: This is a garment made of a material that has a durable function against stains.