Jennifer Garner
Jennifer Garner gives the classic striped tee and white jeans a chic summer update INSTAGRAM/JENNIFER GARNER/SCREENGRAB

Jennifer Garner has made one of fashion's most basic outfit combinations look surprisingly chic, and the secret is not a fleeting trend. It is the simple pairing of a striped T-shirt with white jeans.

The 54-year-old actress recently stepped out in a short-sleeve striped top with white cropped denim, giving the classic jeans-and-T-shirt formula a polished end-of-summer update.

Rather than relying on complicated styling or attention-grabbing pieces, Garner showed how a little pattern and the right denim can completely change the feel of an everyday outfit.

Her look is a reminder that wardrobe basics do not have to feel predictable. Sometimes, the difference between an ordinary outfit and a chic one comes down to how familiar pieces are combined.

Jennifer Aniston gives the classic white tee and jeans combo an effortlessly casual twist

Jennifer Garner's Simple Styling Trick Makes Basics Look Chic

Garner's outfit works because the two main pieces provide contrast without competing with each other.

The striped T-shirt introduces a graphic element to what could otherwise be a very simple jeans-and-tee outfit. Against the white cropped denim, the pattern gives the look more visual interest while keeping the overall effect relaxed.

The white jeans are equally important. Instead of the more familiar blue-denim combination, the crisp white colour gives the outfit a brighter, cleaner feel that suits the end of summer. The cropped silhouette also keeps the look casual rather than overly polished.

That is what makes Garner's outfit particularly easy to copy. There is no need for a dramatic statement piece. The formula relies on two familiar wardrobe staples, with the stripes providing enough detail to stop the combination from looking plain.

For shoppers looking to recreate the effect, Quince has selected a $45 black-and-white striped Cashmere Tee as an inspired alternative to Garner's top. The retailer pairs it with its $60 Bella Rigid Straight Jeans, which feature a high waist and structured shape that can help recreate the look's overall silhouette.

Importantly, these are lookalikes rather than the exact pieces Garner wore. The T-shirt mimics the pattern of her outfit, while the jeans offer an alternative with a structured shape and high waist.

The styling lesson is simple: let one basic piece provide the visual interest while keeping the rest of the outfit clean. Simple jewellery and casual accessories can finish the look without overwhelming it.

Jennifer Aniston keeps it casual in a white T-shirt, cuffed jeans and Birkenstock clogs

Jennifer Aniston and Katie Holmes Prove the Formula Has Staying Power

Garner is not the only celebrity showing how effective the jeans-and-T-shirt combination can be.

Jennifer Aniston recently wore a more relaxed version, pairing a classic white T-shirt with cropped denim. Katie Holmes took the same basic formula in a more polished direction, wearing a fitted T-shirt with dark, subtly distressed straight-leg jeans.

The difference between the three outfits comes down to fit, colour and styling.

Garner's striped top and white denim create a fresh, summery look. Aniston keeps things deliberately casual with a loose white tee and cropped jeans, while Holmes demonstrates how the same basic combination can look smarter simply by choosing a more fitted top and darker denim.

That versatility is exactly why the formula continues to work. The jeans can be straight, relaxed or cropped, while the T-shirt can be fitted, oversized, plain or patterned.

The outfit can also be adjusted for different occasions. Trainers keep it casual, while loafers, ballet flats or heels can make the same pieces feel more polished. A cardigan, blazer or lightweight jacket can carry the look into cooler weather.

But Garner's outfit offers the simplest takeaway: you do not need a new fashion trend to make your wardrobe feel fresh.

A striped T-shirt and white jeans may sound like the definition of a basic outfit. Yet Garner shows that choosing the right contrast, proportions and finishing touches can make those familiar pieces feel polished, effortless and surprisingly chic.