White jeans and pants are the real first sign of spring.

But the joy is mixed with archaic jitters.

Wearing white anything still puts us on high-stain alert (coffee dribbles!

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makeup smears!).

Fabric content is key.

The classic cotton/two percent spandex blend will move with you and hold its shape and yours.

Jennifer Lopez in white jeans, denim cropped jacket, metallic hobo ; Sharon stone in white slim ankle jeans and emblem tee, blue sneakers, striped sweater over shoulders

No thongs necessary either way.

The thick fabric makes hipster, brief or girl short undies (even in black) undetectable.

White pants should be ankle cropped and semitailored.

Emma Willis  in white loose cropped pants, half-tucked navy sweater, Constance Zimmer in relaxed white tailored ankle pants and white top, black leather biker, leopard bag

We’re done with excess fabric at the belly and booty, as well as dirty hems.

Look for a real waistband (with fly and zipper) that sits at your natural waist.

Go by how it looks and feels since the fabric tag will likely say polyester/spandex.

Laura Dern in white sleeveless textured sheath, Vivica A. Fox in a white tailored double breasted coat dress- above the knees, Jamie Lee Curtis in a white knee-length boatneck sheath, Hillary Swank in a white long sleeve fit and flare dress

Check it in daylight for opacity, and consider a skin tone shapewear slip for extra control and density.

Lela Rochon adds a white blazer and bag to spark a black dress , Jane Lynch brightens up a blue blouse and black pants with a white blazer,  Arianna Huffington throws a white blazer over up a leopard blouse and black pants