Ronhill Men's Storm Running Cap One Size Black / Fluo Yellow` 79% Polyester, 21% PU Soft Knitted Internal Fabric Face & Liner Aqualite Fabric - New Higher Performing Fabric Providing A Total Waterproof And Windproof Barrier Durable Water Repellent Treatment (Carbon 6) To Fabric Fully Waterproof With Taped Seams Prevents Water Seeping Inside Hydrostatic Head 14,000 JIS - L 1092