The original technical Helly Hansen base layer has never looked better, taking inspiration from the iconic sailor strip for this long-sleeve crew neck shirt. Our technical base layer provides breathable warmth, moisture management and comfort during any aerobic activity. It’s ideal for sailing, hiking, training, climbing, skiing, and more. We've been excelling at HH Lifa base layer technology for 40 years. That’s why our base layers are the go-to choice for professional athletes. The ultra-light weight base layer fabric delivers insulation and moisture management. Made from 100 Percent Life fibres - developed by Helly to keep you warm, dry and comfortable. Features flatlock seams for low bulk and next-to-skin comfort with 125 g/M2 fabric.