If you've found someone to share your sleeping bag you're halfway there. With the flexible Heatseeker™ Eco-insulated Dolomite One Double, you're good to go.Features Top layer features 50-degree-rated Heatseeker™ Eco synthetic insulation for versatile use in warmer weather Mid layer features 30-degree-rated Heatseeker™ Eco synthetic insulation for cool nights in the outdoors The two layers can be paired to get a 15-degree bag for maximum versatility Zippers open from the bottom to allow for extra ventilation Watch pocket included Rectangular shape is super roomy for the ultimate comfortable experience Comfort fleece liner on the mid layer is super soft and makes you want to slide right in Double size offers plenty of room for you and your partner Specs Total Weight: Reg - 8 Lbs. 13 Oz (4007 G) / Long - 9 Lbs. 7 Oz (4273 G) Temp Rating: 15°F, 30°F, 50°F Stuffsack Size: 13" X 24" (33.02 Cm X 60.96 Cm) Shell: 50D Ciré Polyester Taffeta Comfort Lining: 100% Polyester Insulation: 30% Recycled Polyester Cut-Staple Insulation