Story Lightweight Merino for temperature-regulation in all conditions The running apparel specialists at Paris-based Satisfy Running know what it takes to develop a high-performance fabric. The Cloud Merino Performance Long Sleeve T-Shirt is made from some of the lightest, softest, most comfortable Merino wool on the market. Outfitting everyone from the serious road racer to the Type-2-Fun-Loving trail marathoner, Satisfy has developed this shirt to excel in all seasons, naturally wicking moisture and keeping odor at bay across long runs and multi-day adventures. Features Silky soft CloudMerino™ Optimo wool is the thinnest merino fabric in the world Light enough to wear on summer runs Temperature-regulating in all four seasons Only weighs 136 grams Raw hem construction across the bottom and arms of the garment for a lighter weight and frictionless experience Made and hand tie-dyed in Japan Materials 100% Merino Optimo wool Sizing Fits true to size, take your normal shirt size For the best personal fit, compare your body measurements to the size chart below Body Measurements XS S M L XL Chest 32¾ - 35 35 - 37 37 - 39 49 - 41 41 - 43¼ Waist 27½ - 29 29 - 31 31 - 33 33 - 35 35 - 37 Hips 32¾ - 34½ 34½ - 36½ 36½ - 38½ 38½ - 41 41 - 43 All measurements are in inches. How to Measure - Body Chest: use a flexible measuring tape to measure under your arms around the widest part of your chest - 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 Care Machine wash cold Do not bleach Iron cool heat on the reverse side No dry-cleaning Merino products are sensitive to shrinking when drying. Please do not tumble dry.