By Krystin Arneson. Our editors independently research, test, and recommend the best products and services; you can learn more about our review process here. We may receive commissions on purchases made from our chosen links. Norwegian-based Helly Hansen has ski wear down, particularly when it comes to waterproofing, durability, and breathability. The waist is adjustable, as are the leg gaiters — the better for slipping them easily over and around bulky ski boots.