Torchlight Expandable 0 Degree Mummy Bag Down Fill Size:Regular including Giardia including Giardia the Summit offers superior customized fit that is both comfortable and secure adding 5 inches of additional girth to each side (10" total) when expanded Side panels feature dual zippers for expansion where you need it allowing you to comfortably roll around inside without rolling off your pad – sleeping pad sold separately Pillow Barn attached to pad sleeve allows for natural head movement while keeping a pillow (or jacket) securely in place Comfortable jacket style hood opening that contours to the shape of your face for a snug fit Uncinch the hood with one hand using low profile cordlock Insulated zipper and draft collar lock in warmth and increase thermal efficiency Secure sleeping bag liners with interior fabric loops Easily hang dry or store bag with streamlined exterior loops Includes mesh sack ideal for long term storage