For work - relaxed office wear - I usually wear cropped trousers and a nice top and think sandals are a bit too casual for the office. [[https://www.ebay.co.uk/itm/Womens-Ladies-Coolers-Leather-Comfort-Loafer-Espadrille-Shoes-Sandals-Comfy/312100259998?hash=item48aaa0089e:m:mj8nJ80zjHpmHNPBj2WUReQ]]