synthetic insulation The best synthetic puffer jackets 2025: feather-free padding to keep out the winter chill We've tested the best synthetic puffer jackets, which offer excellent insulation at a friendly price point The North Face Thermoball 50/50 Jacket review: ultra-breathable, planet-friendly insulation for frigid ascents 50/50 baffle construction means you can attack the mountain with vigor on cold days without overheating What is PrimaLoft? What is PrimaLoft? Find out exactly what this waterproof, insulated material is doing for you when you’re out exploring in all weather Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Yellowstone super-volcano unlikely to erupt anytime soon, say scientists2Garmin Fenix 7 owners to benefit from improved maps and heart rate monitoring in new update3Hikers arrested for allegedly trekking Hawaii's illegal 'stairway to heaven' and throwing a railing off the route4Margherita pizza up a mountain? This portable oven is built for the backcountry - as long as you don't mind lugging it there5Another bad day for Vail Resorts: video shows skier on the ground after ski lift chair falls off at Attitash
