PSD Underwear Baseball Lifestyle 101 Midnight Sundae Briefs Landing from PSD and Baseball Lifestyle 101, the Midnight Sundae boxer briefs feature an allover rainbow sprinkle print on a black base dripping down to a waffle pattern at the bottom of the right leg. Four-way stretch fabric and a MicroMesh pouch keep the fit snug and comfortable every time. Official PSD and Baseball Lifestyle 101 collaboration. Sublimated graphics throughout. Jacquard-knit branding on waistband. Microfiber elastic waistband. MicroMesh pouch. Four-way stretch fabric. Flatlock stitched seams. 88% polyester, 12% elastane. Machine wash cold, tumble dry low.