Ultralight, versatile shorts with a perforated back. Technology: Ultralight, versatile shorts with a perforated back. Materials: Soft but strong, the technical four-way stretch polyamide/elastane blends used in the front and inner briefs are fast-drying and offer total freedom of movement. Perforated polyester to the rear keeps you cool and the elasticated waistband hugs gently for a stay-put fit. Design: While you're working up a sweat, the Lightweight Shorts are working on getting rid of it. Fast-drying, super-light and stretchy, their streamlined design has everything you want, and nothing you don't. Distraction-free. Because nothing should stop you chasing goals. Weight: 150 g