Stay warm and cozy on your summertime adventure in the Micron 40. This summer bag is filled with water-resistant 650-fill-power goose down and has the ability to zip open and convert to a flat blanket with its full-length wrap-around zipper. Lightweight and durable, this easy-to-pack bag has an internal stash pocket.Features Certified 650 Fill Power Down with Down Defender to Improve Water-Resistance in Wet Conditions Full Length, Wrap Around Zipper Provides Great Ventilation and Ability to Convert to Flat Blanket Internal Stash Pocket EN Tested Sewn-Through Baffles Two Hang Loops Stuff and Storage Sack Included Specs Bag Temperature Fahrenheit: 40°F Bag Temperature Celcius: 4°C Tested Comfort: 46.4°F / 8°C Tested Limit: 38.3°F / 3.5°C Product Weight: 1 lb 9.5 oz, 723 g Main Fabric: 20d 100% Nylon Mini Ripstop 1.1 oz/yd Secondary Fabric: 20d 100% Nylon Mini Ripstop 1.1 oz/yd Lining Fabric: 20d 100% Nylon Taffeta 1.1 oz/yd Insulation Type: Down Insulation Material: 650+ Fill Power Duck Down Insulation Fill Power: 650 Fill Weight: 11.5oz (330g) Packed Size: 6 x 12 in, 15.2 x 30.5 cm Zipper Location: LZ Shape: Mummy Fits Up To: 6 feet 6 inches Shoulder Girth: 62in (158cm) Hip Girth: 58in (147cm) Footbox Size: 42in (107cm) Includes Stuff Sack: Yes Stuff Sack Size: 6 x 12in | 15.2 x 30.5cm Includes Storage Sack: Yes Includes Compression Stuff Sack: No Compressed Volume: 256.3ci » 4.2 liters Stash Pocket: false Pack Volume: 256.3ci » 4.2 liters Style Number: 39280