Product details:

This is the lightest mid layer of Hagl??fs. Weighing virtually nothing, with an ultra streamlined and minimalistic design, you won冲 notice that you决e carrying it. You will, however, notice that you决e wearing it; it protective enough to keep you warm and high-performance enough to keep you dry and comfortable during fast and frenetic activity. Designed with flatlock seams and no shoulder seams at all - to further reduce bulk and boost comfort levels.