Kevan Jon Sian Jumpsuit. Meet the sister of the ever so popular Sian dress by Kevan Jon – the Sian Jumpsuit. Keeping that sought after multi wear top half Kevan Jon has created this fabulous jumpsuit. You can wear it in a bardot off shoulder look or a contemporary asymmetric one shoulder smolder, or brought up into a cowl style. Featuring a wide leg and fitted ruched waist area the shape is very flattering and we feel can easily be glammed up to wear to a formal event – break the rules and have fun and wear the top half to suit your mood!