The Calvin Klein Boys Slim Fit Black Suit Jacket Blazer in size 10 regular features a classic two-button front closure and a notch lapel design. Made from a polyester blend material with a polyester lining, this jacket is suitable for formal occasions like weddings, parties, or special events. The sleek black color and Calvin Klein branding make it a stylish choice for young boys looking to add a sophisticated touch to their outfit. Perfect for completing a smart and polished ensemble, this blazer is a versatile and timeless piece for any boy's wardrobe.