"Warm and fitted but not compression this top works great under sweaters and shirts in cold weather. Good price and quick shipping!" — Vicki L. Shellen $23+ at Amazon You may already be a fan of this ...

The Racer 2 base layer is another strong and sensibly priced piece of kit from Decathlon's in-house brand Van Rysel ...

The softness, compared to other types of wool, is why it’s used in socks, shirts, and other garments ... but warm enough to wear as a base layer on ski trips or cold-weather hikes.