This layer is made with brushed cotton-blend fleece and washed for ultimate comfort. Along with our signature embroidered Pony, it features a chenille letterman-style patch at the chest.Cotton, polyester. Machine washable.By choosing our cotton products, you're supporting our investment in the Better Cotton™ mission to help cotton communities survive and thrive, while protecting and restoring the environment.This product is sourced via a system of mass balance and therefore may not contain Better Cotton™. Visit bettercotton.org/massbalance for more information about mass balance.