The Vango Ultralite Pro 100 Sleeping Bag is a sleeping solution perfect for lightweight adventures. It\'s thermal to the max, with Thermal-Reverb technology to reflect warmth back into the sleeping bag for increased efficiency, plus the 4T synthetic insulation channel system to trap warmth effectively. The ultra-soft 20D Polair Active fabric is tough and comfortable, ideal for intrepid wilderness exploration.Tri-Lateral construction - an independently \'floating\' layer of insulation for wrap around warmth and fewer cold spots4T synthetic insulation - utilises a channel structure to trap warm air, resulting in an unrivalled warmth to weight ratio20D Polair Active fabric - durable, soft and compressible shellThermal-Reverb technology - aluminised layer reflects body heat back for increased efficiencyThermal Embrace System - semi elasticated thread inserts cause the sleeping bag to sit closer to the body for extra warmth retentionInsulated adjustable shoulder baffle3D hood with cord closureArrow footboxInsulated zip baffleTwo way auto-lock zip system - with zip guard for ease of useInternal pocketOmega shaping - zips and seams positioned in the lower section of the sleeping bag for added comfort4-strap compression stuff sackPerformance: 3-4 seasonComfort rating: -1 degreesExtreme usage: -24 degreesPack size: 27 x 24cmWeight: 1.35kg