A versatile neck warmer with a thermoflex fleece fabric construction for protection against the cold the head thing can be worn in a variety of ways depending on the coverage you desire during your cold weather rides thermoflex fleece fabric can be used as neck warmer bandana or cap sublimation printed graphic thermoflex thermoflex gives you a stretchy layer of cold weather protection its fleecy inside traps a layer of warm air next to your skin while its high stretch gives you an aerodyna