Try one with subtle detailing, such as sequins or beads for a dressier look.
Slip-on sandals are extremely versatile as they can be worn with dressier chinos, jeans and even a nice pair of Bermuda shorts.
A little dressier than jeans, cords are also more appropriate for the winter months.
|adjective|
1.(of clothes) suitable for a smart or formal occasion.
‘wear something _dressy_ , Kate, we’ve got to go to a drinks party’
‘She walked back to her room and slipped into a black, _dressy_ shirt and a pair of blue jeans.’
2.Requiring or given to wearing dressy clothes.
‘the sweater can be worn under a blazer for more _dressy_ events’
‘For _dressy_ occasions - dinners, theatre, casual celebrations - when you want to make an effort, but don’t want to feel gussied-up, East is a trove of solutions.’