For information on how Manduka contributes to the community, please visit the Ditch the sleeves and showoff those gains in the Manduka Mantra Muscle Tank Top. OEKO-TEX 100 certified - Free of harmful chemicals. OCS 100 certified - Product contains 95% or more organic material. Relaxed, boxy fit muscle tank allows easy layering and all-day comfort. Breathable jersey stretch delivers a wide range of motion and accelerated dry time. Crew neckline. Sleeveless design with wide-cut armholes. Straight hemline. 47% modal, 47% organic cotton, 6% elastane. Machine wash, tumble dry. Imported. Measurements: Length: 20 1 2 in Product measurements were taken using size SM.