• Outer layer made by high-density Polyester material which's wear-resistant, dust-proof, and dirt-resistant.
• Filling with premium-quality, Global Recycled Standard certified, recycled synthetic polyester material, which provide incredibly soft.
• Passing the EN ISO 23537-1:2016 temperature test with the ratings. Comfort: 37.4°F(3°C), Limit: 26.6°F(-3°C), Extreme: 2.2°F (-19°C).
• Expertly quilted to provide evenly distributed warmth, while also providing excellent air circulation.
• The SBS two-way zipper system can be opened on either end or even connect two bags to make a double.