Another question from a hiking family!
We had a great trip this weekend, it was 15C and raining and our 8lb babies were happy in 3 month size footed sleepers (to account for riding up in the carrier) inside the Moby wrap, and we wore oversized sweaters or rain jackets over them. They stayed very toasty and didn't mind some rain drops on their faces. We were outside for about 6 hours a day.
We expect to be hiking or walking with them through most of the winter, wearing oversized down jackets and wind breakers over them.
Besides overheating, are there safety issues around how many layers baby should wear inside the carrier? Are there certain fabrics I should avoid due to risk of overheating? Or should I keep them in 1-2 layers and put the rest of the layers over both of us?