All balaclavas have a comfortable U-shaped neck with flat seams 65% Poliester, 35%cotton CoolMax® type is 100% CoolMax material to wick moisture away Thermaltex has extra-soft poly-cotton that wicks away moisture Anti Freeze balaclava is made of polyester mesh and micro-fleece, then laminated with a millair breathable membrane; designed for maximum movement Polarclava is 80% fleece and 20% nylon with a long flared neck for warmth All balaclavas are available in black