Pair Of Thieves 2 Pack SuperFit Long Boxer Briefs. Our SuperFit fabric is cool to the touch, quick-drying, flat-stitched, and generally amazing. SuperFit underwear combine advanced fabric finishes for a cool-to-the-touch feel and utilize engineered micro vents throughout for 10 billion BTUs of A/C for your junk. Cooling Mesh. Supremely Breathable. 4-way Stretch. Moisture Wicking. No-Chafe Seams. Uber Soft Waistband. SuperFit is made from the perfect blend of Polyamide (85%) and Spandex (15%) and provides the combination of comfort and moisture wicking you've always wanted. Inseam: 7". Hand wash. Imported.