https://www.modalist.com/product/sacai-side-panel-cardigan-with-lace-trim-12186552/?source=trendme&ic=ANJ790
Black and blue wool-cotton blend side panel cardigan with lace trim from Sacai featuring a ribbed crew neck, long sleeves, a ribbed hem and cuffs, a button fastening and a trapeze style flared contrasting back panel.