JJ Bikini(TRENCHES) Brief is the perfect combination of sexy and comfortable. Giving you a little less and little more(Material – 80% Polyamide, 20% Elastine). A little less fabric but a lot more of your toned sexy legs. This shows everyone how much hard work you’ve been putting in the gym on leg day sporting these bikini briefs!. Underwear model Nico Marchionni present the stylish Bikini Brief design in toronto as captured by male body photographer KUROS.