Thermal Beanie , Reversible to Black The Thermal Beanie Cap with SuperStretch tech neoprene, reversible 6 panel design flatlock stitching help maintain core body temperature by minimizing heat that escapes through the top of the noggin. ~Extremely lightweight flexible ~6 Panel Construction for better fit ~Flatlock seam stitching ~Durable, Flexible Strong ~Smooth and comfortable ~Stops prevents heat from escaping through the noggin ~Reversible to all black ~Helps maintain core body temperature ~Provides warmth sun protection: Wet or Dry ~100% Wind and sun resistant ~Wear alone or under helmets ~Built for comfort, function performance ~One size fits most noggins ~Low profile but covers the ears ~Multi-functional, great for all activities involving liquid Surfing, SUP, Fishing, Kayaking, Canoeing, Water Aerobics, Wind Kite surfing, Sailing, Boating, Water Skiing, Triathlons Pool Rehab