Mountain Hardwear - Thermatic Fleece Midlayer (XL/Green) | The Thermatic™ Fleece is a soft, lightweight midlayer that keeps you warm without overheating. Whether you're bundling up for a day inside the cabin or venturing out to the slopes for a few groomer laps, this flat-faced fleece features a technical grid backer to maximize breathability and keep you feeling dry. Whether it's used as a primary layer or paired over a wool base, it's perfect for any cool day.