Semi-formal attire. A little clarity.

Look for the ceremony, venue and start time. A daytime garden celebration and an evening hotel reception may both say semi-formal while calling for different fabrics and shoes. Ask the host if the difference would change your outfit.

For wedding guests, the couple’s requests take priority. Check ceremony coverage, culturally significant colors and whether an outfit reads white in photographs. A wrap can be part of the plan rather than an emergency addition.

The invitation is more useful than a generic rule about hems.

A midi dress is not automatically semi-formal and a trouser outfit is not automatically casual. Fabric, construction and the way the pieces work together set the tone. Everyday cotton, beachwear and technical shoes usually need another setting unless specifically requested.

For a suit, check that the shirt, shoes and accessories carry the same level of polish. For separates, compare the textures and colors in daylight. A coherent finish matters more than whether the pieces were sold as a set.

Evaluate the outfit from the outer layer to the shoes.

Sit, walk, raise your arms and try a step in the complete outfit. Check that a top stays secure, a lining does not catch and a hem clears the actual shoes. If you plan to switch to flats later, account for the lower heel height.

Consider the ground underfoot. Grass, gravel and cobbles can be awkward with narrow heels; a refined flat or stable heel may be more practical. Bring a layer that works with the garment’s sleeve and neckline.

An outfit is ready when you can move through the event in it.