There is no way this is a 20 degree bag. I can see light through it. This is a “TETON SPORTS ALTOS 20” that is supposedly rated for 20 degrees. Any thoughts? : r/camping
TETON Sports Altos S +20F Left Zip Sleeping Bag | eBay
TETON Sports Leef Mummy Sleeping Bag - Lightweight Sleeping Bag for Backpacking, Camping, and Hiking - Cold-Weather Sleeping Bag - Camping Accessory with Drawstring Compression Sack 0F Regular Black/Sage
Amazon.com: TETON Sports Altos-S 0F Ultralight Mummy Sleeping Bag for Camping, Hiking, Backpacking (Orange), 84 x 32 x 3"