These mittens are impossible to loose because of the lacet. The rib border makes it stay on the hands and keeps wind and cold out. These mittens are available in one size.
The new rib beanie from merinowool. This supersoft beanie is for toddlers and they can match with their mums. It is made in a rib stitch and has a good fit to stay on the head.
Dua is a reversable hat that you can wear on both sides. It has no seams, so you can perfectly turn it inside out. The hat has little holes on one side. The other side is plain jersey, so it holds the wind and cold out.