- 70% Cotton, 20% Silk, 10% Cashmere - Drop Sleeve - Rib Details - Silk Back Panel - High Low Hem The Song Of The Solstice Long Sleeve Jumper With Print Back is a handcrafted cotton silhouette designed by our in house artisans. Reimagined in an exclusive limited edition print, our long sleeve jumper features a printed silk back panel and a high low hemline. Dropped sleeves and ribbed details elevate this everyday essential.