Alleson Athletic Youth Spirit Cheer Shell This Alleson Athletic youth cheerleading shell is made of 100 double knit 15 oz. polyester front and back. This solid color youth cheerleading shell with straight back, hemmed armholes, Vneck, and waist length give this cheer top a modern look. Sizes: 2XSLG Colors: Black, Columbia Blue, Light Gold, Dark Green, Kelly Green, Maroon, Navy Blue, Orange, Pink, Purple, Royal Blue, Scarlet, White.