A midlayer that's all about warmth: our new Quest jacket is an essential piece for any budding hiker. It's made from a cosy polyester blend and features UPF 50 protection, so you won't burn when the sun comes out. UPF PROTECTION: This fabric repels direct sunlight to protect your skin. Solid | 100% polyester, Solid | Knit, Solid | 235 g,Solid | 75 denier Weight | 310 g Centre back | 68.6 cm Exposed centre front zipper Two open hand pockets We say: The Ultraviolet Protection Factor (UPF) rating system measures the UV protection provided by fabric. UPF protection is essential for garments that are designed to be used for long periods in direct sunlight, as overexposure to UV radiation can have adverse effects on the skin. A UV rating of 50 or above is noted as excellent.