Women's Muscle Tank Top | Bella + Canvas 8803 Introducing our light and breezy muscle tee, providing unparalleled comfort. This versatile piece looks equally stunning when paired with casually elegant or athletic attire, making it a perfect addition to your wardrobe. Features: With side seams, ribbed knit collar with seam Fabrication: Solid and Heather colors are 65% polyester, 35% viscose (Heather Navy is 70% rayon, 30% polyester) This product is made on demand. No minimums.