The perfect size for a boho dress can vary depending on personal preferences, body shape, and the specific style of the dress Take accurate measurements of your bust, waist, and hips using a measuring tape. Different boho dress styles may have different fitting requirements. Some boho dresses are designed to be loose and flowy, while others may be more fitted or have defined waistlines. Pay attention to the dress's silhouette and consider whether you prefer a more relaxed or tailored fit.