With ThermoLock Pro Insulation and Polair technology, the Vango Starlight offers supreme warmth and comfort whilst maintaining a light and easily compressible construction.The auto-lock zip prevents the bag from opening during the night and can be accessed from inside the bag, while the insulated zip baffle prevents cold spots from forming.It's a mummy-shaped sleeping bag, meaning it tapers from the shoulders to the foot, reducing the pack size and increasing the bag's thermal efficiency. ThermoLock Pro Insulation increases durability, maximises lofting potential for extra warmth and retains loft in damp conditions, making it an ideal choice for two to three season camping.Polair Micro Shell - soft and breathable microfibre fabric Polair Snug Lining - warm and cosyThermoLock Pro Insulation Single-layer construction with horizontal stitching - lightweight and evenly distributed fillAdjustable shoulder baffle - retains heat within the sleeping bagTwo-way auto-lock zip - provides secure, adjustable ventilation ... More info