On Lightweight Shorts Men's Running Apparel Twilight : Perform with comfort and ease in the On Lightweight Shorts! With an inner brief layer and comfort-fit waistband, these shorts make running feel effortless. Lock away your cards and keys in the bounce-minimizing lower back zipper pocket for peace of mind on the run. The bonded seams and adjustable waist remove distractions so you can concentrate on your gait. Ultra-light, tear-proof upper made from polyamide and elastane for total freedom of movement. Italian fabric in the waistband moves with you and maintains a perfect position. Seamless sides and lightweight sewn-in brief help you pick up the pace. Special Sizing Note: The manufacturer indicates apparel fit as being one size down from size featured on label. Due to this note, we suggest sizing up from your normal size. Medium: 38-39" hip Large: 40-41" hip X-Large: 43-44" hip 2X-Large: 45-46" hip *Measurements refer to body size, not garment size.