Neck warmer, cap, face mask, balaclava or all four? This neck warmer made of warm, fleecy Thermoflex will keep your neck warm, or it has a myriad other uses in cold weather. Features Made in warm, soft and stretchy Thermoflex. Can be used as neck warmer or cap. Sublimation-printed graphic. One size. Technology ThermoflexThermoflex provides some wind protection while offering excellent insulation thanks to the brushed fleece inside. Thermoflex is also surprisingly lightweight and stretchy, making for unusually comfortable garments.