A winter GOCap! The storm ready Polartec® Power Wool™ and Polartec® Power Grid™ build the GOCap you can rock all winter long. All the features you’ve come to love in your GOCap combined with the winter ready technical beneﬁts of strategically placed Polartec® Power Wool™ and Polartec® Power Grid™. Elastic closure for a tight ﬁt. Run Rite this winter. Reﬂective labeling and a Million Miles Guarantee take the goodness up a notch.