His performance was perfect and without blemish.

In mathematics, a perfect number refers to a number where the sum of its divisors, excluding the number itself, equals the number.

He is immersed in the study of panmagic squares.

This fish is completely farmed, and no capture is done in the natural environment.

I walked in the snow wearing snow boots.

He works at the shoemaker in the village.

Since it's raining, let's put on our overshoes and go out.

I made a custom-made shoe using a new shoe last.

The soles of his shoes were worn out.

He was wearing new combat boots.