Joined: Aug 2010
Posts: 12,760
Likes: 2,118
From: Madison, WI
Bikes: 1961 Ideor, 1966 Perfekt 3 Speed AB Hub, 1994 Bridgestone MB-6, 2006 Airnimal Joey, 2009 Thorn Sherpa, 2013 Thorn Nomad MkII, 2015 VO Pass Hunter, 2017 Lynskey Backroad, 2017 Raleigh Gran Prix, 1980s Bianchi Mixte on a trainer. Others are now gone.
I prefer a tent, but some are content to use a bivy sack. My lightest smallest solo tent is pretty tiny and light.
I like an air mattress, but there are other pad options.
A sleeping bag down to 40 degrees (F) is usually adequate on unusually cold nights in summer. A bag with a higher rating would not save much in weight or cost.
I use a sleeping bag liner. It keeps my bag cleaner if the campground does not offer showers. And if it is a hot night, that might be a good substitute for a sleeping bag.
Compression stuff sack for the sleeping bag.
The tent is often damp in the morning. Thus, you might want a way to pack that so that it does not cause other stuff to become damp too.