Performance the Brief for maximum achievement The Performance range is suitable for all kinds of sports and training from extreme racing to just normal everyday use. The brief is soft, light and extremely durable so can withstand those toughest days. The wicking capability transports any moisture away from the skin allowing the fabric to dry very quickly, therefore preventing any chaffing. Also these briefs do not contain Polygiene or other additives.PACKAGEFRONT The unique PackageFront technology is designed to keep your equipment in place and comfortable while being lifted away from the inside of your thighs. Therefore this prevents chaffing and unnecessary heating of the balls (Reduced Heat Transfer) whilst giving the ultimate support without the squeeze Cooler equipment is proven to assist in fertility and may help to improve sperm count.The carefully curved panels combined with innovative use of elastic fabric seams lift the user experience to a new level The size of the PackageFront is the same regardless of the size of the boxer trunk. The PackageFront is also made of an extremely elastic material, you can be assured that the PackageFront will fit you.84% Polyester, 16% LycraProduct approx. weight based on Size M: 47g