The Vango flagship range of sleeping bags. Following the principles and practices of all Vango products, the Viper’s live up to and beyond expectation in terms of quality and performance.

STYLE UPDATES FOR 2007 New ‘Omega’ shape/styling New 750W style Independently tested temperature ratings independently measured in accordance with EN 13537:2002 Women’s specific bag available (750W) ergonomically designed to best fit the female form, thus increasing efficiency Omega shaping The bag has a larger top layer than on the bottom which is tailored to keep the user’s body warmer by reducing any excessive air spaces within the bag ATC – Advanced Trapezoid Construction Angled chevron baffles prevents down from shifting and increases thermal efficiency by slowing heat loss comparable to similar rectangular shaped baffles 90/10 600+ fill power down excellent quality providing maximum loft, warmth, performance and durability Differential fill insulation where it counts Polair® Micro RSP shell micro-ripstop, soft, downproof, water resistant and washable Polair® Silky lining extremely cosy, comfortable lining 3-panel 3D hood with multi-cord closure allows maximum adjustment, optimizing comfort per conditions Insulated shoulder baffle increased comfort and heat retention Internal zip baffle minimises heat loss 2-way YKK auto lock zip to seal in warmth or facilitate ventilation Zip guard reduced risk of zip jam Internal pocket with velcro closure 4-strap compression sac to reduce pack size

Comfort: -10 to +10°C Extreme: -30°C Performance: 5 season Zip: Left-hand Dimensions: Length: 210cm / Chest: 80cm / Foot: 50cm Total Weight: 1750g (Bag only: 1650g) Fill Weight (g/m2): 1 x 600 top / 1 x 400 base Pack Size: 28 x 21cm Pack Volume: 9 litres