If you've been waiting for a good deal so you can pull off your best Marty McFly impression from "Back to the Future" (ideally not with your mom, though), then Calvin Klein has you covered. Right now, ...

The SilkCut Seamless Pouch Trunk Underwear, for example, comprises 94 per cent Micro Modal® and 6 per cent elastane. The result is a lightweight, contouring fit – so, unlike traditional boxer shorts, ...