Heat won't stop your run in this women's HEAT.RDY Engineered Running Tank. A regular-fit, sleeveless t-shirt, knit from 100% recycled polyester, delivering style and performance for dedicated runners. This tank features a reflective logo and back bar for visibility, plus a bonding film at the hem and sleeves for added durability. It's designed with an engineered jacquard fabric to keep you cool when your workout heats up.