Haglöfs L.I.M Alpha Hood Men. When you’re moving fast in cold conditions, you want a lightweight jacket that will keep you warm but never overheated. This versatile model checks all the boxes. It features a body mapped construction which provides Gore-Tex Infinium™ Windstopper® weather protection in key areas without compromising breathability or freedom of movement. It’s insulated with Polartec® Alpha® which has excellent thermal management and moisture-wicking properties. A convenient hood supplies extra insulation when you need it.