4 way stretch fabric. The 4" elastic panels in the back of the waist band make them very comfortable for travel. Easy to wash and quick dry. Functional pockets including a zippered utility pocket on leg. 26" inseam Lightly used. Loved these but they no longer fit. I have already replaced them in 3 colors in my new smaller size. Content: 91% Nylon 9% Elastane Made in Vietnam