A base layer is not only for when the temperature drops. A base layer is very comfortable even when it's warm, you only need the right one. The CoolLayer is the right base layer in warm weather conditions. It makes warm weather conditions comfortable. The mesh material gives the best possible breathability, combined with keeping your body dry due to the special push-pull effect of the fabric.
Lightweight open mesh structure for hot weather conditions
Made of a technical ultralight and open mesh that keeps you cool and dry
The push-pull effect sucks sweat away from your skin and pushes it to the outer layer