NG1-PS Powerstretch® Neck Gaiter Type NTS Gen. Style Next To Skin Description See and be unseen. NG1 is 55 grams of instant warmth and concealment. The very elastic and incredibly cozy Polartec® Powerstretch™ fabric radiates comfort across your entire microclimate. You will never be without it. Fabric Technology POLARTEC® POWERSTRETCH® (52% PES, 39% PA, 9% EL) Sizing One size Weight: 55 g