Heiji shrugged his shoulders a little. "Hey, I don't mind."

It was probably made of some kind of synthetic material, though it was unclear exactly what. Even Heiji wasn't sure. Either way, it was of a heavy enough weave to be warm, and rather loose and airy about the sleeves. The yukata was cinched in tighter at the waist, where Heiji had fastened it with what felt like a broad band of cloth, fastened in a particular sort of knot at the back.