Developed in the USA during the early 1950s for military use, N-3B Snorkel Parka was designed to protect from the most extreme and harsh cold weather while leaving a small tunnel or “snorkel” to look through. Frank Bee N-3B Snorkel Parka consists of a Water-Repellent Nylon shell and Heavyweight Interior filling, for the utmost protection from extreme weather conditions.  The parka features an adjustable hood with artificial wool-fur collar, knit wrist cuffs, drawstring waist for adjustments, and a storm flap above the zipper.  In addition, Frank Bee N-3B Snorkel Parka has plenty of pockets with button closures and a zippered utility pocket with pen/pencil pockets on the left arm.  Frank Bee carries a full line of military parkas and outerwear.