Tesla Active WEAR Tesla Brand Certified Guaranteed to be the best and only active performance RacerBack Tank you'll ever need. If you are not satisfied for any reason, 30-Days NO RISK 100% Full Refund Assurance. Active 4-way stretch: Exceptional Stay in place elasticity that is fabulous, stylish, and appropriate. Buy with confidence "Premium Quality Tank Tip at a Bargain Price" (Equal high quality and build material as compared to other $50+ Brands) Ultra-Stretch Fit (Enough thickness with breathability: No See through) that slims, conforms, and contours with each pose and movement. Moisture Wicking: Provides lightweight comfort along with sweat absorption and drying capabilities Material: Polyester 88% / Polyester 12%