Now featuring vertical baffles for more efficient warmth and natural body contouring, the 15 Roxy Ann from Big Agnes is a women specific down filled bag with extra insulation in the core and foot areas. High quality, durable 650 fill goose down insulation for lightweight, compressible warmth. Extra insulation in the corefoot areas and extra 2 in. of girth in the hip area for women specific comfort. Flow Construction revolutionary vertical baffle design for more rapid and uniform heat distribution and natural body contouring. Downproof nylon microfiber ripstop shell fabric with water resistant surface finish to repel moisture. Soft, breathable downproof nylon lining with stain resistant finish built in pillow pocket holds a fleece or camp pillow. No draft neck collar and zipper tube keep warmth in and cold out no draft wedge insulates the connection between the bag and pad. Integrated pad sleeve bag requires a 72 x 20 in. rectangular pad for insulation on the bottom. Cotton storage sack and nylon stuff sack included. Rectangular shape offers more room in foot box and shoulders. Mate together left and right side zip bags with same size zipper YKK 8. Interior fabric loops for sleeping bag liners to add extra warmth andor keep bag clean. Every Big Agnes bag requires a sleeping pad for insulation on the bottoma pad slides into an integrated sleeve on the bottom of the bag the top two thirds of the bag is insulated in the traditional style. Benefits smaller pack size, less weight, increased comfort, and no more rolling off the pad. May be compressed to 8 x 9.5 in. using a separate compression sack.