The original technical Helly Hansen base layer has never looked better. This long-sleeve crew neck shirt is inspired by the iconic sailor stripe. It provides breathable warmth, moisture management, and comfort during any aerobic activity, making it ideal for sailing, hiking, training, climbing, skiing, and more. Helly Hansen has been excelling at HH Lifa® base layer technology for 40 years, making their base layers the go-to choice for professional athletes. The ultra-light weight base layer fabric delivers insulation and moisture management and is made from 100% Lifa fibres, developed by Helly to keep you warm, dry, and comfortable. It features flatlock seams for low bulk and next-to-skin comfort with 125 g/M2 fabric.