This lightweight, classically styled pullovers feature Charles River Apparel's exclusive River Tec water resistant nylon. They are lined throughout the body, hood, and sleeves with 100% cotton flannel. The Classic Collection's pullovers also have top stitched seams, creating a more durable, longer lasting garment. For convenient carrying, these versatile pullovers pack into their built in front pouch pocket. Shell Water resistant River Tec Nylon Lining 100% cotton flannel throughout the body, hood, and sleeves Features include CRS Charles River Stripe across the front and back Drawstrings at the hood Open bottom hem with shockcord drawstring Elastic cuffs Extended zipper at the neck Packs into its own pouch pocket Please specify color needed when ordering . To see a list of all sizes available, click here . Size Chart Size Chest Sleeve X Small 34' 30' 31' Small 36' 31' 32' Medium 38' 32' 33' Large 40' 42' 34' 35' X Large 44'