Model in studio photos is 5' 9", 135 lbs and is wearing a size S. Winter or summer, what makes a perfect workout tank doesn’t change. You might layer it up, but because if it’s next to your skin, it has to feel like it isn’t there. Seamless construction and lightweight premium technical fabric make our copper-charged tank wear effortlessly. High-performance moisture wicking pulls sweat away from your skin to where it can evaporate, while the copper-infused fabric stomps on odors. You stay cooler, smell better, and feel great. Temp Controlled Sweat Wicking 4-Way Stretch Odor Control Vented Odor Blocking: 4% Copper infused into fabric blocks nasty odors from developing. Temperature Control: Strategic ventilation areas let air flow in and out, keeping skin cooler. Anti-Chafing: Seamless construction prevents chafing. Stay-put Waistband: Flatter your silhouette with a smooth, grippy waistband that stays in place so you can focus on form. Ultimate Stretch: 4-way stretch technical fabric moves with you. Fits true to size. Fabric: 60% Nylon, 36% Polyester, 4% Copper.