Helly Hansen Women's HH Lifa Mock Neck Base Layer Half Zip Size Medium - great preloved condition! Your new favorite performance base layer, Super lightweight, breathable and quick-drying. LIFA: LIFA is the original Helly Hansen base layer made of 100% LIFA fibers, providing warmth and insulation in cold weather. LIFA naturally pulls moisture away from skin and to the outer layer of the garment keeping you warm, dry and comfortable. FEATURES: Lightweight insulation, 100% LIFA, Flatlock seams for max comfort, Natural stretch fabric GOOD FOR: Inshore Sailing, Dinghy Sailing, Marine Lifestyle, FIT: Regular - Neither slim nor oversized. Long Sleeve Base Layer Tags: Activewear, Base Layering, Comfort, Active, Outdoorsy, Technical Wear, Exercise, Warmth, Layering, Skiing, Sailing, Camping, Hiking, Mock Neck, Half Zip 5041