Rest your eyes (and body) on the Cottonsilk™ Collared Half Zip. A luxe blend of Washable Silk and Organic Cotton, it’s naturally thermoregulating to take you from season to season. Designed with a fold-down oversized collar that can be zipped up or down for custom comfort, the ribbed trim at cuffs and hem complete an effortlessly polished look. Featuring honeycomb and rib detailing and OEKO-TEX® certified (read: no harmful chemicals). Pairs perfectly with the  for a matchy-matchy look.