Tank top and, an Australian favourite, ‘stubby’ shorts. Make both the top and the shorts in the same fabric for a playsuit/romper that doesn't require you to get undress just go pee.
Suggested fabrics: Tank top: Rayon, Cotton; Stubbies: Denim, gaberdine, corduroy, linen, heavy-weight stretch fabrics Notions: Thread for sewing. Topstitching thread if desired. Enough 5cm wide elastic to fit snugly around your waist with a 1cm overlap Estimated time to complete: 2hrs