From the X Fit Stain Shield Collection. This Calvin Klein Stain Shield dress shirt is designed to block water-and oil-based stains before they start — just rinse with running water. The extra-slim fit style has a shorter hem for neat untucked styling, while its soft stretch fabric has wrinkle-resistant properties for less ironing. Stain Shield: Advanced stain-repellent fabric allows spills to easily rinse off stretch fabric moves with you for extra comfort. Untucked length: Designed with a shorter length for a casual look so you can wear it untucked. Wrinkle resistant: Treated for less wrinkles and easy care. Soft touch: A special finish that creates a softer feel and greater comfort.