Sweatshirt by Heart Dagger, For your daytime thing, Tie-dye print, Crew neck, Long sleeves, Printed design to reverse, Boxy cut, Regular fit, Just select your usual 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.