"Our Microlite 300 omega shaped sleeping bag within our Earth Collection is made from our recycled Polair Active Eco lining and shell Fabric. Its designed using a combination of advanced technologies to keep you insulated whatever the conditions. Made for year-round explorers looking for an ultra small pack size and weight, yet needing high thermal capacity from their bag. Look out for its 4T Eco Synthetic insulation, Tri-lateral Construction and Thermal Embrace which combine for the ultimate eco-friendly trekking pack." Features: Polair Active Eco Shell Fabric - Our new recycled 20D 400T Diamond Ripstop polyester outer shell fabric is durable, water resistant and easily compressible Polair Active Eco Lining Fabric - Our new recycled 20D 380T Polyester Inner Lining Fabric features a tightly woven construction of the nylon fabric, creating a warm, soft to touch and easily compressible material which is also water and tear resistant 4T Eco Synthetic Insulation - Innovative recycled synthetic insulation fibre increases the warmth to weight ratio by trapping air in its patented channel structure to enhance your sleeping experience Trilateral Construction - An independently floating layer of insulation that is not compressed by stitching, which reduces cold spots and increase core temperature Thermal Embrace System - Elasticated lining makes the sleeping bag gently conform close to the body, reducing cold spots while retaining freedom of movement Omega Shaping - Engineered to position zips and seams in the lower section of the bag. Ergonomically shaped to fit around head and shoulders for improved heat retention 3D Hood with Multi-Cord Closure - Structured hood design keeps the head and shoulders warmer during the night and the dual cord thicknesses allow easy adjustment in the dark 3D Insulated Zip Baffle - Minimises heat loss through the zip and the 3D shape allows the filling to loft and provide insulation Arrow Foot - Shaped foot area allowing feet to relax