These are KEY double-knee painter pants! Here's the official description: ————————————————————————— KEY's classic double-knee painter pants, the 447. With a wide silhouette and an authentic design featuring utility pockets on the sides. The biggest appeal is the tough construction, triple-stitched from 14-ounce heavy raw denim. The knee patches and rivet reinforcements around the pockets are also heavy-duty. It's great to have this construction at this price. These are a pair you can wear every day without hesitation.