Story Ultralight, quick-drying running shorts designed to go the distance On’s Ultralight Shorts are exactly that. So light you barely notice they’re there, these featherweight shorts are stripped back to just the essentials—quick-drying and stretchy fabric for comfort, perforated sections for breathability, a rear pocket and key loop for your essentials, and an integrated liner for built-in support. Features Ultralight, quick-drying shorts built for running Stretchy, breathable fabric keeps you comfortable when the pace picks up Quick-drying construction and perforated panels keep you cool Soft, comfortable built-in liner for added support Rear storage pocket with key loop holds your essentials Just one stash pocket zipper and no hard points anywhere to maximize comfort and performance during floor workouts Elasticated waistband for reliable, customizable fit Materials Front: 85% polyamide, 15% elastane Rear: 100% polyester Liner: 81% polyester, 19% elastane Made in Vietnam Sizing The On Ultralight Short has a performance fit that's true to size, take your normal size in athletic shorts For the best personal fit, compare your body measurements to the size chart below All sizes have an 8” inseam Body Measurements S M L XL XXL Waist 31 - 32 33 - 34 35 - 36 37 - 38 39 - 40 Hip 35½ - 37 37½ - 39 39½ - 41 41½ - 43 43½ 45 All measurements are in inches. Care Machine wash max 86ºF Hang to dry Do not tumble dry Do not bleach Do not dry clean About On For the past ten years, On has risen from a small collection of technical runners favored by Ironmen, to a full lineup of Swiss-engineered performance gear ready to take on whatever challenge lies ahead. Their team is led by triathlon champ Olivier Bernhard, and each product is tested by Olympians, triathletes, and every other stripe of competitor to be best-in-class when it comes to comfort and versatility.