An ultralight alternative to warm weather sleeping bags, the Anomaly Quilt from Eastern Mountain Sports removes the bottom layer of insulation and instead relies on the R value of your sleeping pad to create a full sleep system. The Anomaly packs smaller, weighs less, and delivers higher warmth-to-weight performance than a similar temp. mummy bag. Our convertible quilt features a zipper and drawcord closure on the footbox so that you can open and use it like a comforter on the warmest nights or zip and cinch it down to retain more heat as the temperature drops. The included straps connect the sides of the quilt to your sleeping pad - just slide the toggles closer to your body to prevent drafts or simply leave them at the sides of the pad to secure the quilt in place..... Pair with an insulated sleeping pad (sold separately) for an ultralight sleep system. 850 Fill Power Down delivers incredible loft and warmth. Ultralight 20D Ripstop Nylon shell and 15D Nylon lining. Tapered, convertible footbox adapts for warmer or cooler nights. drawcord and snap closure at the neck help trap heat. Pad straps secure the quilt to your sleeping bag - slide the toggles closer to your body to prevent drafts or simply leave them at the sides of the pad to secure the quilt in place. Compression sack and roomy mesh storage bag included. RDS-certified down ensures humane treatment of ducks and geese. ISO Comfort: 39°F / 4°C. ISO Limit: 30°F / -1°C. ISO Extreme: 2°F / -17°C. Shell: 20D Ripstop Nylon. Insulation: 850FP Down. Fill Weight: 240g. Minimum Naked Weight: 531g / 18.73. Trail Weight: 584g / 20.6 oz. Quilts come with two straps. Strap Weight: 11g each. Anomaly compression sack weight: 31g. Regular fits people up to 6'1". Imported.