The classic crackerjack jumper has been used by sailors across the globe for centuries

Since being issued in 2011

while the 2 larger bottom ones offer space for a whole host of various items

possibly unissued

Swedish Army M59 Forest Green Field Jacket - Medium D100 Eastern Block The classic crackerjack jumper hasAt a glance 100% Cotton Material 2 Button Hip Pockets,& Internal Pocket Button Closure Button Adjustable Cuffs Engraved 3 Crown Buttons Reinforced Elbow Pads Vibrant Swedish Army Forest Green Colour Label reads "D100" which going off the Swedish Army's sizes is to be for a 100cm chest and in short length Chest Size: 44" Suggested Size: Medium Regular Sleeve Length: 23. 5" Short Collar to Hem: 31. 5" Vintage Militaria Dated 1985 Genuine Swedish Army