David Archy 4 Pack Men's Ultra Soft Comfy Rib Micro Modal Briefs 90% Micro Modal and 10% Spandex Ribbed knitting technology; more breathable fabric swiftly wicks away moisture from the body well and keeps the parts clean cool and fresh Widen waistband made of cotton fiber, eco-friendly and durable Roomy U-style pouch supports better and more comfortable Comfy briefs with low rise waistband, sexy and stylish; Seamless at the back; like wearing nothing Machine washable in cold water