Naturehike's snowbird sleeping bag is made of high-quality duck down, with 90 % down content. It's highly reliable less than 0 temperatures till -7 degrees Celsius. Snowbird is perfect for people hiking and trekking in snowy areas where such extreme cold is present.

Features: 
Light Weight (1.73 Kg)

Fabric: Skin-Friendly 

Good Warmth Retention (comfortable to use at -7℃)

Dimensions: (220 x 85)cm       

Temperature:  COMFORT: -7℃（19.4℉）

                       TRANSITION: -15℃（5℉）
                       RISK: -35℃（-31℉）