PSD x Baseball Lifestyle 101 Ice Cream Boxer Briefs. Get ready to play ball in this pair from Baseball Lifestyle 101 x PSD. Featuring their signature print, the Ice Cream Youth Briefs are made from soft-to-the-touch fabric with four-way stretch and our soft Signature WaistBand for a fit that goes with everything. Contoured sealed pouch. Extra durable, anti-chafe flatlock seams. Soft microfiber Signature WaistBand. 6" inseam. 88% Polyester 12% Elastane. Machine wash. Imported.