Have you tried a towel turban yet? They are great. They save on space, washing and do the exact same job as a regular towel with only about 1/4 of the weight.
You can purchase brightly coloured, pretty versions through Rakuten for ￥1143, but they are also available at local ￥100 stores as well. They also make great souveniers for those of us that travel home often enough to be desperate for new, fun, useful gifts.
Here’s an easy simple diagram to show you how it’s done. Have fun! Post a picture in your turban if you dare! (Not just your turban please) 🙂