Nordisk Oscar -20 °C – Extreme winter mummy sleeping bag

The Nordisk Oscar -20 °C is a high-performance synthetic-filled mummy sleeping bag built for winter expeditions and temperatures down to –20 °C. Its innovative tubic construction ensures even thermal distribution and superior warmth-to-weight ratio. The built-in windproof membrane blocks cold air, enabling direct use in shelter or open environments.

The 3D hood with integrated thermal collar and shark-fin foot box with ventilation enhance comfort and breathability. A left-side two-way zipper, internal stash pocket, and zip draft collar maintain insulation and convenience. The bag compresses down to approximately 34 × 25 cm and weighs around 1 360 g for the Large size.

Technical Specifications

Sleeping bag type: Winter mummy shape with tubic chamber construction

Temperature ratings (EN 13537 standard): Comfort –10 °C, Limit –20 °C, Extreme –40 °C

Insulation: NorGuard S‑PO s‑core synthetic fibre

Shell fabric: 100 % nylon 20D rip‑stop (color Rio Red)

Lining fabric: 100 % nylon 30D Soft Touch (color Mustard Yellow)

Weight (Large size): approximately 1,710 g; total weight with packaging ~2,060 g

Dimensions when unpacked (Large): length 205 cm, shoulder width 73 cm, foot width 55 cm

Packed size (compression sack): ~38 × 27 cm (standard diameter 27 cm for all sizes)

Zipper: full-length zipper on the left side

Features: windproof membrane, 3D hood, shark‑fin foot box with ventilation, secondary shoulder zipper, internal pocket, thermal collar