Retro Sport Panel Jock Black/Red L/XL from Male Power Underwear. Retro Sport Panel Jock Shorts Black/Red Extra Large from Male Power Underwear. From the Retro Sport collection by Male Power, this style includes: a panel jock with color blocked fabric inserts accented with white trim and stripes plush elastic waist band with MP logo. wide leg bands for butt lifting support. Cool absorbant cotton spandex, durable stretch for a comfortable fit. Care instructions hand wash separately,. Fabric content 95% Cotton, 5% Spandex. Cold water. Line dry, Do not bleach. Men size extra large. Waist 40 inches to 42 inches. Made in the USA.