Reinforced seams offer ultimate freedom of movement, while signature AeroSilver fabric enhances durability in this stretchy training T-shirt. 30" length (size Medium) Crewneck Short sleeves Reflective details enhance visibility in low light or at night AeroSilver polyester yarn with silver ions built into the fiber is engineered to inhibit the growth of odor-causing bacteria 91% polyester, 9% spandex Machine wash, dry flat Imported