The comfort mummy fit of this 34°F/1°C -rated bag offers room to move while remaining thermally efficient. It also features our exclusive welded Lamina™ construction that maximises loft and eliminates cold spots caused by traditional stitching. Soft polyester lining wicks away moisture and lightweight nylon shell repels water. Full-length zipper has double sliders for ventilation. Materials Insulation: Thermal Q 60 gram Bag Shell: Lamina Revamp Ripstop Bag Fill Type: SYNTHETIC Measurements Weight: 2 lb 3 oz / 1.00 kg Bag Shape: Comfort Mummy Cut Bag Loft: 3 in / 8 cm Bag Stuff Size: 6 in x 12 in / 15 cm x 30 cm EN Rating: T-LIMIT: 34 F / 1 C EN Rating: T-COMFORT: 42 F / 6 C Inside Length Long: 84 in / 213 cm Hip Girth Long: 64 in / 163 cm Foot Girth Long: 43 in / 109 cm Shoulder Girth Long: 65 in / 165 cm