The functional grid-shaped fabric with increased efficiency of evaporation
The functional grid-shaped fabric with increased efficiency of evaporation 
Polartec® Power Grid™ challenges the limits of technical underwear even further. The fabric's patented grid-shaped design distinguishes this material. The light weight, increased efficiency of evaporation, and breathability of channels that absorb and diffuse vapor at touch points are ideal qualities for running, trekking, and outdoor sports.

