When the wind and water are cold, keep your head warm with 0.5 mm of neoprene insulation.

• Fits under a helmet for added warmth.
• Nylon-spandex exterior sheds water.
• Soft, smooth and hydrophobic interior provides next-to-skin comfort.
• Titanium-laminate adhesive reflects and retains body heat.
  
  
• Size SM, head circ. (cm) 51-55 - head circ. (in) 20-21.5
• Size MD, head circ. (cm) 55-58 - head circ. (in) 21.5-23
• Size LG, head circ. (cm) 58-62 - head circ. (in) 23-24.5