I have a Calista in tobacco Aquila matte leather. It’s halfway between a nappa and a merinos. When new, it is less stiff than nappa. Over time, Aquila matte softens, but not too soft or too slouchy like merinos. The feel of Aquila matte is not quite smooth. The texture is almost velvety and nothing like suede. It gets scratch marks easily, but they can be made less visible by rubbing them with the little bit of natural oils from your clean fingers or by moisturizing the leather.
I like the full size Calista better than the midi because it drapes better. My hobos must have some drape and folds to them. If you want a really drapey, slouchy Calista, then get it in merinos leather.
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