Feature 1Mesh fabric is durable, breathable, soft, fast to dry and moisture-wicking 2Comfortable to wear under hats, caps, helmets or alone to prevent your head from sunlight, wind or dirt 3One size is suitable for women or men to wear 4Lightweight as if your are wearing nothing but warm 5Perfect for motorcycling, motorcycling, road racing or other outdoor activitiesSpecificationFeatures: Mesh fabric is durable, breathable, soft, fast to dry and moisture-wicking. Comfortable to wear under hats, caps, helmets or alone to prevent your head from sunlight, wind or dirt. One size is suitable for women or men to wear. Lightweight as if your are wearing nothing but warm. Perfect for motorcycling, motorcycling, road racing or other outdoor activities. Specifications: Fabric: Mesh Fabric Pattern: Solid Optional Colors: Black, Gray, White, Army Green, Royal Blue, Blue Tiled Size: Approx. 28 * 14cm / 11 * 6in Circumference: Approx. 50-58cm / 20-23inch Weight: 22g Type: Cycling Cap Gender: Unisex Package Includes: 1 x Under Helmet Cap Only