Madewell Black Side-Cinch Muscle Tee Size Small NWT Made of drapey cotton-TENCEL™ lyocell blend jersey, this muscle tee features a crewneck and barely-there cap sleeves. The real star is the side cinching, giving it a flattering fit our head stylist is obsessing over. Slim fit. Length: designed to hit between the bellybutton and high hip. Body length from high point of shoulder: 22". 71% cotton/29% TENCEL™ lyocell Do Well: TENCEL™ lyocell fibers are derived from sustainable wood sources in a closed-loop process. Machine wash. Made in Peru.