1972. The top-stitched pants have fly front zipper closing, waistband and purchased belt slipped thru self-fabric carriers. V. 1 with front yoke and pockets has front tucks and turn-back cuffs. Hip-hugger pants V. 2 with back seam interest, front welt pockets and bell-shaped legs are made to be worn 1" below normal waistline. Carriers and belt are optional for V. 2.