https://smile.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=mypakage

I usually find them on the amazon's choice result: https://smile.amazon.com/MyPakage-Weekday-Boxer-Brief-Purple/dp/B00EUPDJA4/ref=sr_1_5?ie=UTF8&qid=1522958818&sr=8-5&keywords=mypakage

I found it's usually easier to pick your size first, then see what's available color-wise...then just keep selecting colors to see if the color is in your price range.