The Hi-Vis Vest is designed to be worn over leather or textile jackets for added visibility and packs into itself for easy storage while on your bike. Water-resistant nylon Designed to be worn over leather or textile functional gear Adjustable sides for a secure fit Left chest pocket removable ID holder Packs into itself for easy storage 3M� Scotchlite� Reflective Material stripes Size L fits sizes S-M-L Size 3XL fits sizes XL-2XL-3XL