If you want a bit of give, go for styles that have elastane in them .this will help keep the shape after washing well as adding comfort.
Always go for a size or two smaller, this may seem daunting but denim can give up to two sizes and you will avoid that posh wash baggy effect.Help enhance your derriere by going for a style with pocket details.
Got too much derriere? Go for darker washes.
Escape the pot wash crunchy effect by washing your jeans with baby softener.
I tried both the pull-ups and also a pair with a zip and finally decided on the pull-ups. The fit is absolutely perfect and having only a small amount of elastic on the sides I'm left with a flat tummy and a flat bottom.