Backerpacker Magazine reviewed Brynje’s Wool Thermo Light Zip Polo in their Winter Gear Guide saying,”The recipe is simple: The Thermo Light’s mesh holes form pockets of air that rest against your midlayers (or shell), while also letting sweat vapor escape quickly.”
Read the complete reveiw here: https://www.backpacker.com/gear/brynje-of-norway-wool-thermo-light-zip-polo-2018