The Rab Mens Neutrino Endurance Jacket is lightweight, weather resistant, and extremely warm. Primarily designed for use in Alpine conditions this jacket is equally as at home on the journey to work as it is in The Peak District or climbing in the Himalaya. Pertex Endurance provides protection against storm and spindrift while retaining minimal weight and pack size; high lofting is provided by the 200g of 800 fill power European goose down. The Neutrino Endurance jacket does everything you need it to; a firm favourite amongst Rabs sponsored athletes. Features 30 Denier large Ripstop Pertex Endurance, soft Pertex Quantum inner 225g (L) of 800 fill power superior quality European goose down Stitch-through baffle construction Fixed down filled hood with wired peak 2 hand warmer pockets with YKK water resistant zips 1 internal security pocket 2-way water resistant YKK front zip and internal down-filled zip baffle Adjustable velcro cuffs and hem drawcord Supplied with stuff sac Medium cut Glossary Pertex EndurancePertex Endurance technology incorporates a lightweight, ultra thin, air permeable membrane that is both highly breathable and water and wind resistant. This layer protects the insulation material from the elements to maintain loft and retain warmth. Pertex QuantumDue to its dense weave, Pertex Quantum is downproof, wind resistant and can be used for high-end applications. It is extremely light at around 30g/m2 (0.9o/yd2) using the finest yarns available with the maximum thread count. Tear strength and seam strength are good for its weight and it can easily withstand the abuse of hardcore use.