we designed these loves me knot studs as an update to our best-selling sailor's knot. if you take a second look, you might notice these knots resemble a heart. it's a nod to one of our favorite (and sweetest) emblems. Main 36% Polyester, 30% Recycled wool, 29% Recycled acrylic, 5% Recycled Nylon. Body Lining 100% Viscose. Lining 60% Recycled polyester, 40% Other fibres.