Gridwork 1/4 Zip Baselayer from Ariat Color: Mole Heather The Gridwork 1/4 zip is a high tech baselayer made for chillier days in the saddle. Featuring grid fleece interior for extra warmth. Moisture Movement Technology™ wicks away moisture from skin Watch Window provides easy access to wearable tech 97% Polyester, 3% Spandex Lightweight stretch for maximum comfort and movement Grid fleece to create airflow and trap warmth