Vintage 60’s 70’s SafTBack Canvas Hunting Pants Men’s Large USA

Vintage SafTBack brand, canvas hunting pants. Based on tag and stitching style, likely from the 60’s or 70’s. I do not see a size tag, so please see measurements (should fit a men’s large) : 35” waist 40” hips 13” rise 40.5” outseam 28” inseam 20” leg openings In good vintage condition, with very light wear/some light fading on legs. Fabric is still stiff to the touch. Has a few spots/scuffs - see last 2 photos.