Don't wear briefs when motion, after all what to wear underwear is appropriate? Best choice movement dedicated underwear, it in important parts with stereo clipping the triangle cup hold, have loose muscle around each hold the buttocks.
Reason: sports wear ordinary briefs but a lot of people are easy to make mistakes! Said wrong, because sports wearing thin no support triangle style underwear, young when it what's wrong, don't have to wait until the old, your hips will be because of the elastic fibrous tissue relaxation, support to the center of the earth.
So, don't wear briefs when motion, after all what to wear underwear is appropriate? Best choice movement dedicated underwear, it in important parts with stereo clipping the triangle cup hold, around each