If every action has an equal and opposite re action, youre going to be mighty busy in this go anywhere tee. Made from Capilene Daily, it is Patagonia's stretchiest baselayer for everyday wear, designed to provide stay cool, nonbunching comfort. Patagonia calls their new baselayer category Daily, but uncommon qualities like Fair Trade Certified sewing and 50 UPF sun protection make their new Capilene Daily styles something out of the ordinary. The fabric has the wicking performance backbone of Capilene polyester, but in a stretchier, regular fit most suited to everyday pursuits, work or play. Polygiene permanent odor control means less washing and longer wearing. Features include a smooth jersey face for next to skin comfort, full underarm gussets for unhindered shoulder mobility and a self fabric collar that feels soft against skin.