The Surfshop has a large selection of Mystic ponchos.

The mornings are already cool, but I would like to go swimming! The hood of the poncho towel keeps you warm, the terry towel dries, and you can comfortably change clothes under it.
Check out the selection of ponchos: https://www.surfshop.ee/e-shop/surfshop/jackets-and-ponchos/ponchos