It appears the inner lining was repaired at one point

Genuine Yugoslav People's Army / Yugoslav National Army / JNA Surplus

meaning you'll be set for whatever you may need to carry on your adventures

Solid Olive Drab Colour

Historically these were treated with a flame retardant and anti micro bacterial aids

Belgian Army Sweatshirt / Thermal T Shirt Pullover Sage Grey - X Large Czechoslovakia It appears the inner liningAt a glance 50% Cotton & 50% Wool Blend Material Crew Neck Collar Lightweight Sweatshirt Cold Weather Thermal Great Base Layer Solid Sage Grey Colour Chest Size: 48" Suggested Size: X Large Regular Label states "50" Sleeve Length: 22. 5" Short Collar to Hem: 27. 5" Vintage Militaria Dated 1990 Genuine Belgian Defence Forces Belgian Armed Forces Surplus Grades Grade 1 Good condition, some light prior use, in fantastic shape for its age. May benefit