Breathable briefs at a great price!---specs--- Product Testing These briefs have been lab and field tested by athletes of all levels. They were chosen by all our testers for their comfort while running. Emmanuel (Kalenji men's clothing product manager) Composition Main fabric : 63.0% Polyester cationic, Main fabric : 20.0% Polyamide , Main fabric : 9.0% Spandex, Main fabric : 8.0% Rubber - Elastodiene Care Instructions Can be machine washed and mixed with other colors and fabrics.\nWash at 86°F max. Do not tumble dry.\nDo not iron. Guarantee 2 Years---/specs------catchline---Breathable briefs at a great price! Uses Equarea technology to wick away perspiration quickly. Soft to touch for comfortable running.---/catchline------features--- Moisture wicking My product absorbs and wicks away moisture, drying quickly so I say dry. Reduction of irritation The seams in my product have been displaced to reduce chafing when I run. ---/features------made_for---running---/made_for---