The new Navarro Overshirt is a tech shell premium Overshirt featuring double breasted pockets, side pockets, branded zipper, internal lining, Original Yellow rubber branding to the sleeve. A great addition to any casual collection. 55% Polyester 45% Nylon, Lining 100% Polyester Sizes Guide (Pit To Pit) S - 21.5" M - 22.5" L - 23.5" XL - 24.5" 2XL - 25.5" 3XL -26.5" 4XL -27.5" PLEASE CHECK THE PIT TO PIT SIZE BEFORE PURCHASING