- 100% Silk - High Neckline - Blouson Sleeve - Relaxed Fit - Front Button Fastening The Watercolour Wonderland Raglan Button Up Shirt is a handcrafted silk silhouette designed by our in house artisans. Reimagined in an exclusive limited edition print, our high neck shirt is cut in a relaxed fit and features raglan style blouson sleeves for a feminine finish. Front button fastenings add ease for effortless wear.