Product details:

The 200 Zone LS Crewe is a baselayer top designed for long, high out-put days on the slopes, trail, rock face or bike. It features BodyfitZONE construction which places mesh panels in the arms and upper back just where you need the extra ventilation, a gusseted construction for added comfort and mobility and flatlock stitching to prevent chafing. Thumb loops anchor sleeves for extra protection and easy layering.