Revised for Autumn/Winter 15, the Women's Neutrino Endurance Jacket has become the benchmark technical down jacket for modern mountaineering and light-weight ascents, perfect for UK and alpine winter conditions. With revised styling, an increase of 25g insulation and the addition of YKK AquaGuard zips throughout, the Women's Neutrino Endurance Jacket offers exceptional levels of warmth, functionality and packability. Using 216g/8oz (UK 12) of high quality 800FP European Goose Down, this jacket features a combination of Pertex Quantum and Endurance fabrics and water-resistant Pertex facings at the cuffs and hem. This revised version of the Women's Neutrino Endurance Jacket an updated down-filled helmet-compatible hood, now with a Velcro-free roll down system for stowing away the hood. FIT NOTES (Regular Fit) This piece is designed with a regular fit to accommodate multiple layers worn underneath in cold environments.