It all started with the signature PSD 7β brief. The 7β inseam and breathable sealed MicroMesh pouch offers tailored support for maximum comfort. With four-way stretch and durable flatlock stitching, your briefs will stay in place and moving with you no matter what you get into. 7β inseam Breathable sealed MicroMesh pouch Four-way stretch Flatlock seams for extra durability Branded microfiber blend band 88% Polyester 12% Elastane