Plaid suit circa 1970s from Montgomery Ward. Two button front closure on the blazer with front pockets. Pants are wide leg with zipper and button closure. Fabric has stretch. 

Measurements:

taken unstretched

Blazer

Chest 36"

Waist 34"

Shoulder 15"

Sleeve 22"

Length 25"

Pant

Waist 29"

Hip 38"

Inseam 13"

Rise 28"