511™ Slim Whoop Jeans. Known for creating the first pair of jeans in 1873, Levi's has evolved and today completes a lifestyle collection. Levi's offers a durable collection that combines timeless silhouettes with high-quality materials, along with an understated attitude. Perfect pieces that guarantee comfort, flexibility, and resistance. Composition: 99% Cotton/1% Elastane. The ultimate slim jean. Narrow through the seat and thigh, but still roomy. Designed to fit like they were tailored just for you. Finished with our iconic arcuate stitching. Woven with a hint of stretch for all-day comfort and ease of movement. Hold the water: this apparel was made using recycled water, which helps us reduce our impact on this finite resource. Additional Information. Wash your jeans once every 10 wears at most this increases their lifespan and saves natural resources.machine wash cold, do not bleach, tumble dry medium, warm iron if needed, dry cleaning possible, wash inside out with like colors. 5-pocket style. stretch