Suit trousers by Heart Dagger, Check yourself, Contains stretch for comfort, Zip fly with hook-and-bar fastening, Functional pockets, Slim fit, A narrow cut that sits close to the body. Heart Dagger welcomes ASOS to The House of Heart Dagger with an exclusive tailoring collection. A House which has been built on the very foundations that it strives to uphold and take forward: timeless style, rich fabrics, precision-cut suits and a touch of modern-day dandy.