Vtg 1970s K-Mart Hunting Camouflage Utility Pants 38-40X29 Hunting Pants

These are a pair of vintage Kmart hunting camouflage pants. They are lined in the crotch and knee area. Which looks like it’s to prevent getting wet in those areas. There are buttons to adjust the waist size. Also, the length is 29. This item is hand wash only. D