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The Oakley HSTN 9242 sunglasses bring together heritage design and modern performance in a round frame that stands out without trying too hard. First introduced in 2021 after Oakley's design team collaborated with cultural influencers, the HSTN pays homage to two of the brand's most iconic models: the trigger stem draws inspiration from the legendary Razor Blade, while the center frame design nods to the '90s classic SubZero. The result is a sunglass that feels both familiar and fresh.
Prizm Lens Technology: See More Detail
Every HSTN 9242 comes equipped with Oakley's Prizm lens technology, a contrast-enhancement system developed over 15 years of research into how the human eye perceives color. Unlike traditional tints that simply darken your view, Prizm lenses selectively filter specific wavelengths of light to boost useful colors while minimizing distracting ones. The technology uses decades of color science to fine-tune what you see—enhancing reds, greens, and blues in everyday environments so details pop with more clarity and less eye strain. Available in multiple Prizm tints including Black, Ruby, Tungsten, and Sapphire, plus polarized options that cut glare from water, snow, and roads, these lenses deliver 100% UV protection up to 400nm through Oakley's impact-resistant Plutonite polycarbonate.
Lightweight Comfort & Prescription-Ready
The frame is constructed from O-Matter, Oakley's proprietary stress-resistant material that's lighter and more flexible than acetate. At 52mm lens width with a 21mm bridge and 142mm temples, the HSTN fits average to medium faces comfortably. Unobtainium nosepads provide a no-slip grip even when wet, keeping the frames optically aligned during activity. The HSTN 9242 is fully prescription-ready, accepting Oakley Authentic Prescription lenses that come laser-etched with the ellipse logo for proof of authenticity. Whether you need single vision, progressive, or just want to swap in your preferred lens tint, this frame adapts to your vision needs without compromising its clean, round silhouette.
Product Details
Product DetailsModel
0OO9242Shape
Gender
Bridge Type
Rim Type
Age Group
Color Details
Color DetailsFrame Color
BlackColor Code
924201Color Description
Matte BlackLens Color
Prizm Black
Frame Color
BrownColor Code
924207Color Description
Dark Amber/light CurryLens Color
Prizm Tungsten
Frame Color
BlackColor Code
924202Color Description
Matte CarbonLens Color
Prizm Ruby
Frame Color
BlackColor Code
924206Color Description
Matte CarbonLens Color
Prizm Tungsten
Color Code
924203Color Description
Olive InkLens Color
Prizm Tungsten Polarized
Frame Color
BlackColor Code
924204Color Description
Matte BlackLens Color
Prizm Sapphire Polarized
Frame Color
BlackColor Code
924205Color Description
Matte BlackLens Color
Prizm Black Polarized
Frame Color
BlackColor Code
924208Color Description
Matte BlackLens Color
Prizm Ruby
Frame Color
BlackColor Code
924210Color Description
Matte Black InkLens Color
Prizm Black
Frame Color
BlackColor Code
924209Color Description
Dark GalaxyLens Color
Prizm Black PolarLens Features
polarized
Color Code
924211Color Description
Navy/transparent BlueLens Color
Prizm 24k PolarizedLens Features
polarized
Frame Color
BlackColor Code
924212Color Description
Matte BlackLens Color
Prizm Black
Color Code
924218Color Description
Transparent MistLens Color
Prizm Grey
Color Code
924219Color Description
100t Grey SmokeLens Color
Prizm Gaming™ 2.0
Frame Color
BlackColor Code
924216Color Description
Matte Black/matte ClearLens Color
Prizm 24k
Color Code
924221Color Description
Matte BalsamLens Color
Prizm Snow Sapphire
Color Code
924223Color Description
CelesteLens Color
Prizm Ruby PolarizedLens Features
polarized
Frame Color
BlackColor Code
924222Color Description
Matte BlackLens Color
Prizm Jade
Frame Color
TortoiseColor Code
924225Color Description
Matte TortoiseLens Color
Prizm Black
Color Code
924227Color Description
Matte Grey InkLens Color
Prizm Sapphire
Frame Color
BlackColor Code
924226Color Description
Matte BlackLens Color
Prizm Grey
Color Code
924224Color Description
ClearLens Color
Prizm Violet
Size Details
Size DetailsBridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
Bridge Width
21.00Temple Length
142.00Size
5221-142
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Frequently Asked Questions
Are Oakley HSTN 9242 sunglasses prescription-ready?
Yes, the Oakley HSTN 9242 is fully prescription-ready and accepts Oakley Authentic Prescription lenses. You can order them with single vision, progressive, or other prescription lens types. The prescription lenses come laser-etched with the Oakley ellipse logo on the left lens for authenticity. This makes the HSTN a versatile choice if you need vision correction but want the style and Prizm lens technology Oakley is known for.
What is Oakley Prizm lens technology and how does it work?
Oakley Prizm is a contrast-enhancement technology that selectively filters wavelengths of light to boost specific colors while minimizing others. Developed over 15 years using hyper-spectral imaging, Prizm lenses enhance color vividness and contrast so you can see more detail in your environment. Unlike traditional tints that just darken everything, Prizm fine-tunes individual colors—deepening reds and boosting greens and blues—to reduce eye fatigue and improve visual clarity in various lighting conditions.
What size face do Oakley HSTN 9242 sunglasses fit?
The Oakley HSTN 9242 has a 52mm lens width, 21mm bridge, and 142mm temple length, with a frame width of approximately 132mm. This sizing is designed for narrow to average faces and is considered a medium fit. The universal fit design includes adjustable Unobtainium nosepads that can accommodate most face shapes comfortably. If you have a larger head or prefer oversized frames, you may want to consider the Holbrook XL or other larger Oakley models.
Do Oakley HSTN sunglasses have UV protection?
Yes, all Oakley HSTN 9242 sunglasses provide 100% UV protection up to 400nm, blocking UVA, UVB, UVC, and harmful blue-violet light. The lenses are made from Oakley's Plutonite polycarbonate, which filters UV light at the molecular level rather than relying on coatings that can wear off. This ensures permanent, reliable protection for your eyes in all lighting conditions, whether you choose standard Prizm, polarized, or other lens options.
What's the difference between Oakley HSTN 9242 and HSTN A 9242A?
The HSTN A 9242A is the Low Bridge Fit (formerly called Asian Fit) version of the standard HSTN 9242. The 9242A features lenses that are cut higher and wider, with a modified nose bridge and longer nosepads to better accommodate flatter nose bridges and higher cheekbones. Both models share the same round shape, O-Matter frame material, and Prizm lens options, but the 9242A provides a more comfortable fit for those who find standard frames sit too low or touch their cheeks.
Are Oakley HSTN lenses polarized?
Polarization is available on select Oakley HSTN 9242 models but not all. Several colorways come with Prizm Polarized lenses (such as Prizm Black Polarized, Prizm Sapphire Polarized, and Prizm Tungsten Polarized) which combine Oakley's color-enhancement technology with glare reduction. Polarized lenses are ideal if you spend time near water, snow, or driving, as they cut reflective glare. Check the specific model number to confirm whether your chosen colorway includes polarization.
Compare With Similar Frames
How the Oakley Hstn 9242 Sunglasses stacks up against the closest alternatives we carry.
- Iconic square Wayfarer-inspired shape with broader appeal and recognition
- Slightly larger lens size (55mm vs 52mm) fits medium to large faces better
- Lower starting price point ($124.50 vs $185)
- Unique clip-on latch system lets you attach frames to your shirt when not wearing them
- Slightly lower starting price ($117.58 vs $185)
- Keyhole bridge design offers a vintage-inspired alternative to HSTN's single bridge
- Lenses cut higher and wider to prevent cheek contact and provide better coverage
- Modified nose bridge with longer, adjustable nosepads for flatter nose bridges
- Same round shape, Prizm lens options, and heritage design as standard HSTN
Read the full comparison
Oakley HSTN 9242 vs. Holbrook 9102: Round vs. Square Icon
Choosing between the Oakley HSTN 9242 and the Holbrook 9102 comes down to shape preference and style direction. The Holbrook is Oakley's most recognizable lifestyle frame—a square, Wayfarer-inspired design introduced in 2010 that's become a modern classic. It's larger (55mm lens width), fits medium to large faces comfortably, and starts at a lower price ($124.50). If you want a proven, timeless look that works in almost any setting, the Holbrook delivers.
The HSTN 9242, by contrast, is Oakley's progressive take on round eyewear. It's smaller (52mm), lighter thanks to O-Matter construction, and features heritage design cues like the Razor Blade-inspired trigger stem and SubZero-influenced center frame. The round shape is more distinctive and contemporary, appealing to those who want something beyond the standard square frame. Both are prescription-ready and offer the same Prizm lens technology, so your decision hinges on whether you prefer the Holbrook's broad appeal or the HSTN's modern edge.
HSTN 9242 vs. Latch 9349: Modern Rounds with Different Personalities
The Latch 9349 and HSTN 9242 are both modern, round-ish lifestyle frames from Oakley, but they target slightly different aesthetics. The Latch's defining feature is its clip-on system that lets you attach the frames to your shirt—a skate-inspired detail that adds functionality but also bulk. It has a keyhole bridge and tends toward bolder, streetwear-friendly colorways. Starting at $117.58, it's also more affordable.
The HSTN is cleaner and more refined. Its single bridge, adjustable Unobtainium nosepads, and heritage trigger stem give it a sophisticated, performance-lifestyle vibe rather than the Latch's casual skate energy. If you value minimalism, a secure fit during activity, and design references to Oakley's iconic past, the HSTN is the better choice. If you want a conversation-starter frame with a built-in carrying solution, go with the Latch.
HSTN 9242 vs. HSTN A 9242A: Universal Fit vs. Low Bridge Fit
The HSTN A 9242A is not a different style—it's the same frame engineered for a different fit. If standard sunglasses sit too low on your face, slide down your nose, or rest on your cheeks, the Low Bridge Fit (9242A) solves those issues. It features lenses cut higher and wider, a modified nose bridge, and longer nosepads designed specifically for flatter nose bridges and higher cheekbones.
Both models share identical round lenses, O-Matter frames, Prizm lens options, and heritage design elements. The 9242A simply fits better for those who need it, with no compromise in style or performance. If you've struggled with standard Oakley frames in the past, the HSTN A 9242A is worth the slight price premium. If standard frames fit you well, stick with the universal-fit HSTN 9242.
At a Glance
Oakley Holbrook 9102 Sunglasses
Pros:
- Iconic square Wayfarer-inspired shape with broader appeal and recognition
- Slightly larger lens size (55mm vs 52mm) fits medium to large faces better
- Lower starting price point ($124.50 vs $185)
- Decades of proven durability and timeless style since its 2010 introduction
Cons:
- Square shape is less distinctive and more common than HSTN's modern round design
- Doesn't feature the heritage trigger stem or SubZero-inspired design elements
- Heavier acetate-style construction compared to HSTN's lightweight O-Matter
- Less contemporary aesthetic for those seeking a fresh, progressive look
Oakley Latch 9349 Sunglasses
Pros:
- Unique clip-on latch system lets you attach frames to your shirt when not wearing them
- Slightly lower starting price ($117.58 vs $185)
- Keyhole bridge design offers a vintage-inspired alternative to HSTN's single bridge
- Wider range of bold colorways and limited-edition collaborations
Cons:
- Latch mechanism adds bulk and may not appeal to minimalists
- Less heritage design DNA—doesn't reference Razor Blade or SubZero classics
- Keyhole bridge fit may not suit all nose shapes as well as HSTN's adjustable nosepads
- Generally perceived as more casual/skate-oriented vs HSTN's refined lifestyle positioning
Oakley HSTN A 9242A Sunglasses
Pros:
- Lenses cut higher and wider to prevent cheek contact and provide better coverage
- Modified nose bridge with longer, adjustable nosepads for flatter nose bridges
- Same round shape, Prizm lens options, and heritage design as standard HSTN
- Better fit for Asian, Latino, and other face shapes that standard frames don't accommodate well
Cons:
- Slightly higher price point ($138.07 vs $185 starting)
- Limited to those who specifically need low bridge fit—standard HSTN works for most
- May have fewer colorway options available compared to the standard 9242 model
- The modified fit may look slightly different on the face compared to universal fit version