Boody Active Raceback Tank - Black - Size: SMALL 8-10 Never has ecowear been so luxurious boody is a soft as your favorite pajamas but performs as high quality activewear. stay cool in the summer and warm in the winter without bulk bamboo fiber is lighter and softer than cotton and perfect for layering. No one likes being clingy. traditional cotton basics, Boody will keep its distance as bamboo fibers prevent static build-up.