You can request several options and keep 'em for three days it only costs $10 per piece, you get a free color swatch when you sign up for emails, and the process allows you to check out material, fit, and quality IRL before committing
Stone gray pants with burgundy shoes call for a burgundy belt, assuming your belt is also leather
Then, enjoy watching your squares take shape to create this lovely, summer outfit
The best way to go is for a black stitching, as this will make the whole ensemble more cohesive and put together, but you can also opt for some more colorful stitchings: dark red for example can be the cherry on the cake
Encourage your bridesmaids to source these items separately at Target, Amazon, or ASOS in the correct color for a fraction of what the bridal retailer charges
This cardigan was a wardrobe staple when I worked in an office