Expedition 1000, -30C / -22F 33 cm The Big Box is a

The Big Box is a 8' x 8' x 8' box with two large overlapping door entrances

lightweight warmth and comfort that easily transitions from the office to the slopes

and durability

Resists finger marking and contains no abrasives or harsh chemicals

and outdoor sporting events

Expedition 1000, -30C / -22F 33 cm The Big Box is aTheir lightest fill weight expedition sleeping bag, the Expedition 1000 is still designed for temperatures as low as 30C. The warmest weight bags in the Rab range, the expedition series are designed for use on 8000m peaks and in polar environments. The Expedition series of sleeping bags are the warmest weight bags in the Rab range and are designed for use on expeditions to 8000m peaks and in polar environments. With 1000g of the highest quality 850FP