Slingjock Upthrust Slider-Strap Jock Pool LargeOxjok daily wear jock soft rib comfort jock designed to fit right with slider strap pouch that shifts left or right on your junk with every butt flex, squat or thrust with sturdy oxjok straps that lift each buttcheek. Slingjocks pouch cups you, stays centered for max bulge out heft. The waistband is firm enough it wont roll and has plushsoft inside for comfort, oxjok butt straps are flat tube elastic with soft rounded edges that lift but do not dig,