1960s Vintage White Baseball Uniform Pants

The pant are in good condition. Faint stains and the seem is apart about 4 cm in the crotch and there is a small quarter size hole by the back pocket, missing the back pocket button. They are white pants with elastic a the leg opening. Close by a metal Talon zipper and button at top. Feels like thick cotton. Marked a size 38 and measures 46 cm across waist, 35 cm rise, 58 cm inseam.