T-shirt by Heart Dagger, For that logo lifestyle, Crew neck, Short sleeves, Branded front, Regular fit, True to size. 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.