For use with the long pants, I'm hoping to find the Target (Circo) black shoes I have now in a 5 in a 6 - they've got a sneakery bottom and he can use them more than once.

I'll get nice brown sandles for him for the summer and when he wears the shorts with the shirt/vest. This way, if it rains the day I wanted the short bottom and I go with the pants instead, I'm not stuck with useless sandals.