Buy the queen. When you meet your's there will be enough blanket.

Pre sleeping bag bedrolls were not the skinny bits of canvas flopping behind a cowboy saddle, but sometimes huge affairs of quilts,blankets and canvas requiring an entire wagon or second pack animal.

Wool is one insulator that doesn't lose it's loft between you and the ground. That illustration shows a method that works.

Sleep is probably the most ignored aspect of survival except
by Mors Kochanski. A warm fire, water and food mean nothing if you exaust your body clock. This ultralight business means nothing if you're lying down and need another pound of insulation.

If a queen sized blanket or sleeping bag wieghs to much, just go to a blacksmith and cut 6" off of that sword everybody buys first.