I know this isn't strictly kimono, but think it is nice and very wareable with linen or jeans [or shorts!]
www.warehouse.co.uk/fcp/product/fashion/Casual-Tops/ibiza-embroidered-top/11813
This has a round neck but it is very feminine and would look great with dark jeans
www.warehouse.co.uk/fcp/product/fashion/Casual-Tops/gingham-smock-top/11227
This is lovely for something a bit more sexy, or for a summers day in the park
www.warehouse.co.uk/fcp/product/fashion/Smart-Tops/abstract-african-cami/11919
This is lovely
www.monsoon.co.uk/invt/42022535&bklist=icat,5,shop,women,womentops,tunics
This with leggings and pumps or gladiator sandals
www.monsoon.co.uk/invt/42033141&bklist=icat,5,shop,women,womentops,tunics
infact monsoon have quite a few lovely tunic tops and they are practicle enough to be daywear, but lovely enough for you to feel lovely in them!