Review on 🧥 LAPASA Men's Merino Wool Thermal Underwear Crew Neck Top - Lightweight & Midweight Base Layer Undershirt (M29, M67) by Alex Smith

The heat storage capacity of this base layer is remarkable because it is very thin. Sometimes I bike to work in the morning when the temperature is below 40 degrees Fahrenheit (cold for Georgia). I was wearing cotton thermal underwear under my cold-weather cycling jacket and I was still cold on my chest. Adding that base layer of merino wool underneath the cotton layer made a huge difference. However, if I lived in a place where the winters are very cold, I would buy a thicker version of this.