T-shirt by Heart Dagger, One for your wardrobe, Crew neck, Dropped shoulders, Chest pocket, Relaxed fit, Loose but not oversized. 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.