(TrendHunter.com) Topo Designs introduced the Mountain Shirt, a long-sleeve shirt crafted from 100% organic cotton flannel, designed to bridge western heritage and everyday wear, with a relaxed fit and 5 oz…(TrendHunter.com) Topo Designs introduced the Mountain Shirt, a long-sleeve shirt crafted from 100% organic cotton flannel, designed to bridge western heritage and everyday wear, with a relaxed fit and 5 oz…