Icebreaker Size Chart Lightweight, technical shorts designed for maximum breathability when you're moving fast, the Comet Shorts are ideal for trail running, ultralight hikes and other high-output pursuits in hot weather. The Comet's minimalist design provides uninhibited motion and amplifies airflow by combining a 100% recycled polyester main body with panels of 145gm corespun eyelet mesh. Corespun fibers use a nylon core wrapped in merino wool for added durability and strength that retains next-to skin softness. Inside, a stretchy inner short features 155gm Cool-Lite(TM) jersey that's supportive, breathable and quick to dry. The elastic waistband provides a low-profile fit, and reflective side trim improves visibility while running around town. Features: - Cool-Lite(TM) eyelet inner brief for faster wicking - LYCRA(R) content for stretch and mobility in inner brief - Low profile elastic waist - Reflective bonded side seams for visibility in low light - Internal stash pocket - Icebreaker reflective heat transfer logo - Fabric: Body: 100% Polyester Eyelet: 51% Merino Wool, 34% TENCEL(R), 15% Nylon - Product Weight: Medium = 108 g / 3.81 oz