STAUD Wells Embroidered Perforated Swiss-dot Cotton-twill Mini Dress - White Rainbow STAUD's 'Wells' dress is cut from perforated cotton-twill in a pretty fit-and-flare silhouette - look closely and you'll see it's intricately embroidered with Swiss dots. It's traced with rainbow embroidery along the square neckline and hem. Team yours with heels and a colorful tote.