10M - Matte Tortoise - Maui Sunrise
Maui Jim 'AKAU MJ442 Sunglasses
$160.77

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Maui Jim 'AKAU MJ442 Sunglasses

05CM - Crystal Matte - Blue Hawaii

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MJ_B442_05CM
$160.77

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DESCRIPTION RATINGS & REVIEWS PRESCRIPTION GUIDE

The Maui Jim 'AKAU MJ442 Sunglasses redefine what lightweight performance eyewear can be. At just 10 grams—roughly the weight of ten one-dollar bills—these rimless sunglasses practically disappear on your face, letting you focus entirely on the trail, the road, or the water ahead.

MauiPure LT: Featherweight Clarity

The 'AKAU showcases Maui Jim's MauiPure LT lens material, their thinnest and most lightweight option. This advanced material is 27% thinner than standard lenses while delivering optical clarity nearly as crisp as SuperThin Glass. You get exceptional impact and scratch resistance without the weight penalty—perfect for runners, cyclists, and anyone who demands all-day comfort. The rectangular lenses measure 62mm wide with a 13mm bridge and provide excellent coverage without feeling bulky.

Every pair features Maui Jim's patented PolarizedPlus2 technology, which goes far beyond basic polarization. The lenses eliminate 99.9% of glare, block 100% of harmful UV rays, and incorporate a proprietary blend of three rare earth elements that enhance reds, greens, and blues. Colors appear more vivid, contrast sharpens, and details pop—whether you're navigating technical terrain or simply enjoying a sunny day.

Engineered for Movement

The 'AKAU's nylon frame construction prioritizes performance. Temple tip pads have been minimized to reduce weight, while the adjustable silicone nose pads feature advanced airflow technology—delivering better grip and less slip, even when you're sweating. The wraparound design offers enhanced protection against wind and peripheral glare, making these sunglasses a favorite among runners and outdoor athletes.

"They are so light you'd forget you are wearing them and the lenses insane!" — Zappos customer review

Available in five distinct lens and frame combinations—from Matte Tortoise with Maui Sunrise to Crystal Matte with Blue Hawaii—the 'AKAU adapts to your style and lighting conditions. The matte finishes reduce reflections and add a modern, understated look.

Who It's For

If you loved the Maui Jim Hema but found it slightly too large, the 'AKAU offers the same 10-gram weight and MauiPure LT technology in a more compact 133mm frame width. It's ideal for medium faces and anyone seeking a performance rimless sunglass that won't bounce, fog, or distract during high-output activities. Runners, golfers, tennis players, and fishing enthusiasts consistently praise the anti-fog performance and secure fit.

Note: The 'AKAU is not available with prescription lenses. For prescription-ready rimless options from Maui Jim, explore models like the Ho'okipa or Breakwall.

Includes a Maui Jim branded hard case and cleaning cloth. Backed by Maui Jim's warranty and the Skin Cancer Foundation's Seal of Recommendation for effective UV protection.

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Frequently Asked Questions

Are the Maui Jim 'AKAU MJ442 sunglasses available with prescription lenses?

No, the 'AKAU MJ442 does not come with a prescription option. The MauiPure LT lens material used in this model is engineered specifically for ultra-lightweight performance and is not compatible with prescription surfacing. If you need prescription rimless Maui Jim sunglasses, consider models like the Ho'okipa, Breakwall, or Lighthouse, which are available with prescription lenses.

How much do the Maui Jim 'AKAU sunglasses weigh?

The 'AKAU weighs just 10 grams (approximately 1/3 of an ounce) for the complete frame and lenses. This makes them one of Maui Jim's lightest models, comparable to the weight of ten one-dollar bills. The ultra-lightweight construction comes from the MauiPure LT lens material and minimized nylon frame design, making them ideal for running, cycling, and extended wear.

What is MauiPure LT lens material and how does it compare to other Maui Jim lenses?

MauiPure LT is Maui Jim's newest, thinnest, and most lightweight lens material—27% thinner than standard MauiPure. It delivers optical clarity nearly as crisp as their SuperThin Glass lenses while offering superior impact and scratch resistance. The material is exclusive to select performance models like the 'AKAU and Hema, engineered for ultimate weight reduction and flexibility without sacrificing the PolarizedPlus2 technology that enhances color and eliminates glare.

Do these sunglasses stay secure during running and sports activities?

Yes, the 'AKAU features adjustable silicone nose pads with advanced airflow technology designed to provide better grip and less slip, even when sweating. The temple tip pads are minimized but strategically placed for stability. Customer reviews consistently mention that these sunglasses don't bounce, slip, or fog up during running, cycling, golf, and tennis—making them excellent for high-movement activities.

What is the difference between the Maui Jim 'AKAU and the Hema?

Both the 'AKAU (MJ442) and Hema (MJ443) weigh 10 grams and feature the same MauiPure LT lenses with PolarizedPlus2 technology. The key difference is size: the 'AKAU has a 133mm frame width (medium fit), while the Hema measures 140mm (medium to large fit). The 'AKAU is the better choice if you loved the Hema's performance but found it slightly too big for your face.

What UV protection and lens technology do these sunglasses offer?

All Maui Jim 'AKAU sunglasses feature PolarizedPlus2 lens technology, which provides 100% UV protection (UVA and UVB), eliminates 99.9% of glare, and blocks harmful high-energy visible (HEV) blue light. The lenses also incorporate a patented blend of three rare earth elements that enhance color saturation—boosting reds, greens, and blues for more vivid, true-to-life vision. They're recommended by the Skin Cancer Foundation as effective UV protection for eyes and surrounding skin.

Compare With Similar Frames

How the Maui Jim 'AKAU MJ442 Sunglasses stacks up against the closest alternatives we carry.

Read the full comparison

Maui Jim 'AKAU vs. HEMA vs. HO'OKIPA: Which Rimless Model Is Right for You?

Maui Jim's rimless sport sunglasses are legendary for their lightweight comfort and optical clarity, but choosing between models can be tricky. Here's how the 'AKAU MJ442 stacks up against its closest competitors in our catalog.

'AKAU MJ442 vs. HEMA MJ443: The Size Question

These two models are nearly identical twins. Both weigh exactly 10 grams, both use MauiPure LT lenses (Maui Jim's thinnest material), and both feature the same advanced airflow nose pads and minimized temple tips. The deciding factor is fit:

  • 'AKAU: 133mm frame width—ideal for small to medium faces
  • HEMA: 140mm frame width—better for medium to large faces

If you've tried the Hema and found it slightly too wide, the 'AKAU delivers the same featherweight performance in a more compact package. Both models are NOT available with prescription lenses, so if you need Rx, keep reading.

'AKAU MJ442 vs. HO'OKIPA MJ407: Prescription vs. Performance

The Ho'okipa Universal Fit is the prescription-ready alternative to the 'AKAU. While it doesn't use the ultra-thin MauiPure LT material (and therefore weighs slightly more), it offers the same rimless sport aesthetic with adjustable rubber nose pads and temple grips. The Ho'okipa is a proven choice for runners and cyclists who need vision correction—you get PolarizedPlus2 technology and Maui Jim's legendary clarity in a frame that accepts prescription lenses.

Choose the 'AKAU if: You want the absolute lightest rimless option (10 grams), don't need prescription lenses, and prefer a medium fit. It's the ultimate choice for minimalist performance.

Choose the HEMA if: You want the same 10-gram weight and MauiPure LT technology but need a larger frame width for better coverage on medium to large faces.

Choose the HO'OKIPA if: You need prescription lenses in a rimless Maui Jim sport frame. It's slightly heavier but offers the flexibility of Rx compatibility and a proven track record for active sports.

Budget-Friendly Alternative: SUGAR BEACH MJ421

If you love the rimless rectangular look but want to save $15–$20, the Sugar Beach MJ421 offers similar styling and PolarizedPlus2 lenses at a lower price point ($138.05–$153.08). It won't be quite as light as the 'AKAU's 10 grams, but it's still a solid performer for sports and everyday wear.

At a Glance

Maui Jim HEMA MJ443 Sunglasses

Pros:

  • Larger 140mm frame width fits medium to large faces better
  • Same 10-gram ultra-lightweight construction
  • Same MauiPure LT lenses with PolarizedPlus2 technology
  • More lens color options available

Cons:

  • May feel too large for smaller or medium faces
  • Slightly higher price point at $160.77
  • Same lack of prescription availability

Maui Jim SUGAR BEACH MJ421 Sunglasses

Pros:

  • Lower price range ($138.05–$153.08)
  • Rimless rectangular design similar to 'AKAU
  • PolarizedPlus2 technology with full UV protection
  • Lightweight construction for sports

Cons:

  • Does not use the ultra-thin MauiPure LT lens material
  • Slightly heavier than the 'AKAU's 10-gram weight
  • Less advanced airflow nose pad technology

Maui Jim HO'OKIPA UNIVERSAL FIT MJ407 Sunglasses

Pros:

  • Available with prescription lenses
  • Proven performance for running and active sports
  • Adjustable rubber nose pads and temple tips for secure fit
  • PolarizedPlus2 lenses with excellent clarity

Cons:

  • Heavier than the 'AKAU (does not use MauiPure LT)
  • Higher price range ($176.15–$180.56)
  • Semi-rimless rather than fully rimless design

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