Specifications:- Elastic, fast drying, perfect moisture transport, air vents near the mouth.- Material: 34 % Modal, 33 % Cotton, 31 % Polypropylene, 2 % Elastane Technology:TRANSTEX:- The unique LÖFFLER material with the highly functional two-layer principle from the in-house knitting factory. The inside made of polypropylene routes sweat away from the skin to the outside layer and