86% Polyester / 14% SpandexMade in the USA or ImportedHIGH TECH COMFORT: Using our patented MyPakage Technologya?, the Classic Boxer Brief has a 3-dimensional pouch that provides for amazing support for your man parts and reduces the need for shifting and adjusting.MYPAKAGE TECHNOLOGY: Our patented MyPakage Technology is what makes BN3TH the best fitting, most comfortable first layer apparel available. The 3-dimensional pouch provides complete support from every angle so you can always perform at the highest level.PUCKER PANEL: One of our unsung heroes, the pucker panel is an integral part of our comfort engineering construction. This panel eliminates the need for seams and stitching in your most sensitive areas.INNOVATIVE CONSTRUCTION: Hand-stitched, expanding seams and flat-locked stitching create an ergonomic fit for all body types. Each piece is expertly designed to maximize range of movement & support to give you every performance advantage.MADE WITH B3DRY TECHNOLOGY: This high performance material is guaranteed to keep you dry and comfortable throughout your workout. B3Dry is a hydrophobic, moisture wicking, breathable polyester.