Wily Prism- Embroidered Sleeveless Cotton Denim Jacket For BoysPrism Embroidered Sleeveless Jacket on Organic Cotton Denim Once the weather starts to get a bit chilly, or the spring comes around, you can wear this Wily Prism all year around. This versatile jacket will be a staple of your layering kit. It's made with Organic Cotton Denim, which features an ultra soft face that gives you dressed up with prism embossed thread embroidery and everyday style in a decidedly casual package.