Our nylon flight jackets are the finest quality in the fleet. These babies are intermediate weight jackets made of rugged nylon with a polyester fill. Best piece of gear this side of the Arctic Circle! Left breast patch is high-quality leather with Velcro backing for easy on & off! Back embroidery available (see insets) Dolphins and US SUBMARINE FORCE or HM SUBMARINES, or USSVI logo - for only $50 more (special order - please allow 3-4 weeks).