Synthetic fill Big Agnes System bag that grows with your little camper. Finally, a piece of gear you don't have to replace every year as your child grows! The Torchlight Youth 20 degree junior sleeping bag is a warm, cozy Big Agnes System bag with a PFAS-free water resistant coating that will grow with your lil camper from tot to teen. Offering a customizable fit system for both length and width, the Torchlight Youth 20° can be sized down to keep your littlest snug as a bug-then simply unclip the loop and closure for more room and space as they grow. If they want some space, unzip the expandable side panels to give them just as much room as they want. Start 'em young!. Features. Big Agnes System Bags are designed to attach easily to your sleeping pad, allowing you to comfortably roll around inside without rolling off your pad-pad sold separately. PFAS-free water repellent coating keeps you dry without the use of harmful chemicals.