The Härkila Trail L/S shirt is a lightweight, breathable shirt designed in Denmark made from 94% polyester and 6% elastane. This shirt is made with Tanatex® insect repellent, perfect for keeping flies, mosquitos and ticks away. Built with a secure zipper chest pocket and straps to secure your rolled up sleeves.  A double folding collar to keep the sun off your neck and vents under your arms making this, the perfect hot weather or long day shirt option.