Advance 7871; ca. 1956; Boy's Sports Shirt and Vest. Shirt, to wear inside or out. Two styles ... lLong or lhort set-in sleeve. Convertible sports collar, breast pocket. Back shoulder yoke with soft fold at each side. Collar, cuffs, pocket, shoulder seams and yoke all topstitched. Flat-fell seams. Lined vest has simulated welt breast pockets. Pointed lower edges in front ... straight across back.