Sentence:  Look for <WSD>pants</WSD> with reinforced seats and knees and full-length side zippers that make it possible to put the <WSD>pants</WSD> on while you are wearing boots, crampons, skis, or snowshoes. 
Meaning of the word marked with <WSD> tags:  An outer garment that covers the body from the waist downwards, covering each leg separately, usually as far as the ankles; trousers. (from 19th c.)