Undershirt Designed with a seam-free side and made with a breathable cotton rib fabrication, the Bonds Chesty Singlet is iconic for a reason. Chesty singlets are Bonds' most popular and iconic mens underwear pieces. They are great for both the Summer and Winter months. Wear these Chesty singlets alone in the hotter months or as a layering piece under clothing in the cooler months. Features . Made with breathable cotton material . Side seam free design . Comfortable and warm . Round neck . Material: Cotton Rib