Harkila Pro Hunter GTX Reversible Cap is a striking men's technical Gore-Tex waterproof reversible (bright hi-vis orange crown) durable cap with a comfort lining and lightweight insulation for warmth and good visibility. AirTech material is a lightweight breathable material that wicks the moisture away from the head to keep you dry and comfortable. Main fabric 100% Polyamide Heavy canvas Available Willow green/Shadow brown in sizes M - 2XL DWR treated to repel excess water and dirt Airtech technology is a unique fabric combining extreme durability with good comfort. The AirTech fabric is water resistant as well as water & dirt repellent Lining: 100% Polyester for a moisture wicking lining Cordura reinforcement for a lightweight but extremely tough outer material 5 year warranty which covers defect in materials workmanship for a 5 year period Pre-bent shape for a secure fit Size: M- 58cm, L - 59cm, XL - 60cm, XXL - 61cm