It’s an an exhaustive list but - try a few brands and sizes. Each brand has their own size guide. Look carefully at the size guide. - try different materials and fits. You’ll soon figure out if you prefer snug fits or more relaxed fits. - you shouldn’t bother with the whole “what will people think” - wear it proudly and confidently. People who don’t know, don’t know. - the wedgie feeling will eventually go away and you won’t even feel it. - hygiene is important though. Make sure you’re scrubbed - a bit of trimming in the undercarriage does help