the flash underwear

They’re made from a lightweight microfiber blend: 92% polyester and 8% spandex (poly/spandex).

Sizes range from S to 3XL: S, M, L, XL, 2XL, and 3XL.

They have a mid-length 6-inch inseam for balanced support without riding up.

They use a soft, full elastic waistband about 2 inches wide for a secure, stay-put fit.

Yes — they feature a functional open fly.

Most listings state machine wash and tumble dry. Several descriptions add more specific care: machine wash cold, inside out, with like colors, and tumble dry low. Follow the garment’s care label for the final instructions.

They offer a snug, close-fitting boxer-brief cut with a regular rise, designed to stay in place and reduce bunching.

Designs include mid-motion all-over prints, lightning bolt graphics, a Flash logo on the thigh, and muscle-outline detailing—ranging from full action prints to focused logo treatments.