Story Don’t let a cold front interrupt your workout routine On’s Winter Performance Tights are on a mission to keep you running year round. The unique polyester elastane blend utilizes a brushed fabric and sweat-wicking technology to keep your legs warm without weighing you down. A pair of integrated pockets, reflective tape details and an adjustable waistband tie it all together in one of the toughest pairs of running tights out there. Features Technical sweat-wicking fabric Adjustable waistband Integrated pockets Reflective logo and tape details Brushed fabric for added warmth Materials Main fabrics: 74% recycled polyester, 26% elastane Specs 221 grams Sizing The On Performance Winter Tights fit true to size, we recommend purchasing your regular size in pants For the absolute best personal fit, compare your body measurements to the chart below Body Measurements S M L XL XXL Waist 29.9-32.3 32.7-35 35.4-37.8 38.2-41.3 41.7 - 44.9 Hip 35.4-37.4 37.8-39.8 40.2-42.1 42.5-44.5 44.9-46.9 All measurements are in inches How to Measure - Body Waist: bend side to side to find your natural waist and measure around that point - Body Hip: standing with your feet shoulder-width apart, measure around the fullest part of your hips and seat 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.