It's the reproduction of the 1969 model 5st TCU (Tropical Combat Suit).
Its Epaulet and adjustable waistband were canceled. The fabric was made of scratch-proof cloth introduced in 1968.
This is the final version of TCU evolution, and then into the era of BDU.
This production Both primary colors and texture are close to the original version. Buttons are the "hidden button" and close at the bottom of the bag cover. The cuff is a 1969 simplified adjustable version.