The Helmut Lang Tuxedo Blazer is a double-breasted style tailored in a stretch wool-blend twill with satin notched lapels, button front closures, back adjustable belt and hip besom pockets. Wear as a blazer or a blazer dress! - 53% Polyester, 43% Virgin Wool, 4% Elastane - Notched lapels - Double-breasted button front closures - Hip besom pockets - Back adjustable belt detail - Fits true to size - Model is 510 and is wearing size 2 Double Breasted Tuxedo Jacket - Black