The KSB 0° Oversized delivers an exceptional amount of warmth with it’s 650 white duck down fill while easily packing into it’s included compression sack. Using the adjustable Length Locks the sleeping bag can reduce in length up to 15 inches, efficiently sizing down to fit a 5’ 3” person. A draft collar, over-stuffed foot box, insulated mummy hood and flexible baffles at the body’s core all work together to minimize heat loss for greater thermal efficiency. Highly durable fabrics are tough, light and comfortable. The oversized expanded chest area and flexible baffles provide ample room to move, and a stash pocket keeps small items right at hand.