John Smedley has over 200 years of knitwear expertise. This 'Ryker' half-zip sweater has been knitted in England from a recycled-cashmere and wool-blend using a chunky seven-gauge ribbed stitch. The half-zip looks good both fastened and open over a contrasting tee. Lower Impact Materials. This product is made using at least 50% lower-impact materials or ingredients. Find out more about our Consciously Crafted criteria here.