Modern Long Bobs with Undercuts: Fresh Takes on a Classic Cut

Short sides, hidden designs, and a sleek top length: If you’re nodding along to these details, you might be considering an undercut long bob. As a hairstylist who’s created countless variations of this cut over the past 12 years, I’ve noticed how this style brings together the best of both worlds – the ease of short hair with the styling options of longer lengths. The undercut element adds an unexpected twist to the classic long bob, creating a look that works for both office meetings and weekend outings. Looking to try something different with your hair? From subtle undercuts to bold designs, these 15 long bob variations offer plenty of ideas for your next salon visit.

Purple-Kissed Wavy Bob

scores: human 100.00%, ai_gen 0.00%
Photo: Instagram / by @christa.stylist

Ready to add a little edge to your bob? Peek-a-boo purple highlights woven through dark waves create an unexpected twist that catches the light just right. The choppy layers and textured ends give this shoulder-grazing cut plenty of movement, while subtle color placement lets you play it cool at work and fun after hours.

Sleek Stacked Bob with Sharp Angles

scores: human 100.00%, ai_gen 0.00%
Photo: Instagram / by @boisebalayagegirl

Looking for a cut that means business in the front and edge in the back? The stacked bob with its precise diagonal lines creates that perfect mix of professional and cool. Those longer front pieces sweep dramatically toward the chin while the back gradually rises to show off a clean undercut—giving you that weightless feel and easy morning styling we all dream about. And let’s be real, those smooth, coffee-colored strands catch the light in all the right ways.

Edgy Red-Tipped Long Bob With Hidden Undercut

scores: human 100.00%, ai_gen 0.00%
Photo: Instagram / by @hairbyyaniz

Adding a pop of red to a long bob creates that perfect mix of sophisticated and bold. The sharp angle from back to front gives this cut its modern edge, while the hidden undercut keeps the style light and manageable. What I love most about this take on the long bob is how the black-to-red color transition makes the geometric cut even more interesting – it’s like having two haircuts in one. Perfect for anyone who wants their undercut to make a statement without screaming for attention.

Stacked Bob with Honey Highlights

scores: human 100.00%, ai_gen 0.00%
Photo: Instagram / by @hairpin_me_down85

Ready to refresh your look without going too short? A graduated bob with warm honey highlights offers the perfect balance. The stacked layers at the back create natural volume while the longer pieces in front frame your face just right. Adding some caramel tones throughout brings dimension and movement to this classic cut.

Edgy Blonde Undercut Bob

Photo: Instagram / by @latesthairstyle

Short doesn’t have to mean simple, and this platinum bob proves it. The textured layers create natural movement while the undercut adds an unexpected edge to the classic style. Perfect for anyone ready to mix sophistication with a dash of rebel – just run your fingers through with some texturizing spray and you’re good to go.

Side-Shaved Bob with Silver Finish

Photo: Instagram / by @hairadviser

Looking to add an edge to your everyday bob? A sleek undercut along the sides creates an unexpected twist while keeping the length and movement through the top. The cool silver tone plays up the modern vibe, making this cut perfect for anyone ready to shake up their style without going too extreme.

Edgy Silver Long Bob with Hidden Undercut

Photo: Instagram / by @therighthairstyle

Want to shake things up without going too short? A long bob with an undercut is your perfect middle ground. The silver-toned asymmetrical cut stays longer in the front while secretly rocking a close-cropped undercut on one side. I love how this combo gives you two styles in one – wear it sleek and professional, or tuck the longer side behind your ear to show off that cool undercut when you’re feeling bold. It’s basically the hair equivalent of having a corporate job but also being in a rock band on weekends.

Side-Swept Undercut Bob

Photo: Instagram / by @hairadviser

Ready to take your bob to the next level? An asymmetrical cut paired with a clean undercut brings an effortless edge to the classic style. The longer side sweeps gracefully across, creating movement and drama, while the shaved section adds that perfect touch of attitude. It’s amazing how a simple undercut can completely change up your look without having to commit to a full chop.

Platinum Pixie-Bob With Side Undercut

Photo: Instagram / by @MSN

Looking for an edgy twist on the classic long bob? A platinum blonde shade paired with a sharp undercut brings serious attitude to the table. The longer strands on top sweep gracefully to one side while the shaved section adds that perfect bit of rebellion. (Between us, it’s the kind of cut that makes people do a double-take – in the best way possible.)

Edgy Blonde Pixie with Undercut Detail

Photo: Instagram / by @hairadviser

Ready to make a bold move? Consider pairing a side-swept pixie with an undercut for an effortlessly cool look. The longer strands on top create natural movement while the shaved sides add an edge that’s both modern and low-maintenance. Perfect for those mornings when you want to roll out of bed and look instantly put-together.

Stacked Bob with Hidden Undercut

Photo: Instagram / by @therighthairstyle

Looking for a fresh take on the classic bob? The back view tells the whole story here – carefully stacked layers create that perfect angle while an undercut keeps bulk in check. Light brown highlights peek through the dark base, giving the cut extra dimension without trying too hard. It’s the kind of style that looks polished from every angle but still feels totally effortless.

Edgy Asymmetric Bob with Side-Swept Undercut

Photo: Instagram / by @latesthairstyle

Want to give your long bob a modern twist? The side-swept undercut is your new best friend. By keeping one side longer with textured waves and pairing it with a sharp undercut on the other, you’re getting the best of both worlds – soft and edgy. I’m a huge fan of how this particular long bob with undercut creates an unexpected silhouette that works just as well for casual coffee runs as it does for fancy dinner dates. The blonde highlights against the darker undercut add some extra oomph, making it a perfect choice for anyone looking to shake things up without going too wild.

Bold Undercut Meets Blonde Pixie

Photo: Instagram / by @therighthairstyle

Looking to mix things up? The undercut adds a dash of edge while keeping the top longer lets you play it cool when needed. Those blonde highlights flowing into the darker base create natural dimension without trying too hard. Perfect for anyone ready to dip their toes into the shorter-hair pool without diving straight into the deep end.

Bold Side Undercut Meets Sleek Bob

Photo: Instagram / by @latesthairstyle

Looking to add some edge to your everyday style? An asymmetrical bob paired with a sharp undercut brings the perfect balance of sophistication and rebellion. The longer side falls smoothly past the jawline while the shaved section creates an eye-catching contrast – it’s like having two haircuts in one. And the best part? You can style it sleek and professional for work, then flip it to show off that cool undercut when you’re ready to hit the town.

Sharp Angled Bob with Sleek Finish

Photo: Instagram / by @therighthairstyle

When you’re ready to make a statement without saying a word, an angled bob delivers that edge you’re looking for. The dramatic slope from back to front creates natural movement, while the shorter layers at the nape keep things modern and fresh. Rich brown tones catch the light perfectly, showing off the cut’s precise lines and giving it that extra bit of polish.

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