Smartwool Merino 250 Asymmetrical Top Size L Amazing conditions Want to be warm without overheating? This pullover is 100% merino wool that keeps you comfortable on slopes or sidewalks. A tall cowl neck with an asymmetric zip gives you control when you want to bundle up or when you need a little breeze. Made of heavyweight and warm 250gsm 100% merino wool that is naturally antimicrobial and itch-free Tall cowl neck has an long asymmetric zip for customizable warmth Raglan sleeves promote range of motion and are comfortable under backpack straps Flatlock seams eliminate chafing