The Buff Reversible Polar is a highly versatile neck tube that works exceptionally well in cool weather. - Reversible design: one side features a smooth, colorful and eye-catching print, while the other side is solid black - Double-layer material traps warmth, yet the technical fiber dries quickly when needed - 97% recycled polyester, 3% elastane - UPF 50+ - Made in Spain The Buff factory is ISO 14001certified for environmental management and SGE 21certified for ethical and social responsibility. The electricity used in the factory comes from renewable sources.