MegaSleep Duo is a supremely versatile 4-in-1 sleep solution, offering multiple configurations and temperature ratings. It covers couples and solo sleeping with warm and cool night options. Simply flip the bag over to change the amount of insulation on the top side - dark blue side up for cool nights light blue side up for warm nights Also, each side can be converted into a solo bag or blanket, creating one for cool nights and one for warm nights. The MegaSleep is designed to fit perfectly on a MegaMat and MegaMat Duo. With its lightweight synthetic fiber filling, the thermal performance is sufficient for a cooler summer night. Furthermore, the smart zipper draft tube prevents cold spots. Depending on the insulation needs, the sleeping bag can be turned - dark blue side up for cool nights, light blue side up for warm nights. The wraparound zipper allows this sleeping bag to be quickly and easily converted into a blanket. Shell as well as liner material are PFC-free. Supremely versatile 4-in-1 sleep solution for two. Sleeping bag and comforter in one Features: Sleeping bag or blanket for two people Fits perfectly on the MegaMat Duo Spring or summer mode Shell Fabric: 40 D ripstop nylon, Oeko-Tex 100 certified, PFC free Liner: 40 D nylon, Oeko-Tex 100 certified Sustainability: Climate neutral product: Exped measures and fully offsets all global warming gases (CO2 equivalents) from manufacturing and shipping this product. Oeko-tex certified material: Oeko-Tex is a testing and Certification system for raw materials and finished products. Exped does not feature fully tested products. The listed products aren't certified under this standard. Only accordingly specified materials are certified. Material: Shell Fabric 40 D ripstop nylon Oeko-Tex 100 certified PFC free Liner 40 D nylon Oeko-Tex 100 certified Fill Polyester Oeko-Tex 100 certified Specifications: Comfort temperature: 5 °C Limit temperature: -3 °C Extreme temperature: -12 °C Weight: M: 1990 g, L: 2290 g Up to body size: M: 180 cm, L: 195 cm Length: M: 200 cm, L: 210 cm Shoulder width: M: 160 cm, L: 160 cm Foot width: M: 160 cm, L: 160 cm Width: M: 160 cm, L: 160 cm Color Inside: Charcoal Exped Mega Sleep Duo 25 Sleeping Bag