Availability: 9 in stock
Named after a west shore surf break south of Lahaina where waves break close to shore, the Maui Jim Guardrails MJ327 sunglasses deliver the lightweight durability and optical clarity that have made Maui Jim a favorite among outdoor enthusiasts and everyday wearers alike. This modified aviator design features a double-bridge metal frame in a copper finish with dark brown and peach rubber temple tips—a distinctive look that stands out from traditional teardrop aviators.
The Guardrails frame is built from MauiFlex memory metal, Maui Jim’s proprietary alloy that remembers your face shape longer than traditional metal frames. This means the fit actually improves over time as the frame molds to your unique contours. Reviewers consistently mention how light these feel—some forget they’re wearing them. The rubberized temple tips provide grip without pressure, though a few users note the rubber coating can shift slightly with heavy use. Adjustable nose pads let you dial in the perfect bridge fit.
At 58mm lens width and 43mm height, the Guardrails offer a shallower lens profile than classic aviators like the Mavericks, making them ideal for medium faces and those who want aviator style without oversized coverage. The modified aviator shape complements oval, round, and heart-shaped faces particularly well.
Every pair of Guardrails features Maui Jim’s patented PolarizedPlus2 lens technology—far more than basic polarization. These lenses eliminate 99.9% of glare and block 100% of harmful UV rays while enhancing color through a proprietary blend of three rare earth elements that boost reds, greens, and blues. The result is contrast and clarity that owners describe as revelatory. The HCL Bronze lens option provides a warm tint with excellent contrast for variable conditions, while Neutral Grey offers the highest light reduction for bright, direct sun.
The lenses are made from MauiBrilliant, Maui Jim’s most advanced lens material—optics nearly as crisp as glass at one-third the weight. An oleophobic coating repels water, oil, and fingerprints, and the proprietary ClearShell scratch-resistant treatment keeps your view pristine even after years of use.
“Had this pair of sunglasses for well over 7-10 yrs.” — Zappos reviewer
The Guardrails frame is prescription-ready, accepting single-vision and progressive lenses with a power range of +3.00 to -6.50. This makes them a practical choice if you need vision correction but don’t want to sacrifice Maui Jim’s legendary lens quality. The full-rim metal construction provides the stability needed for prescription lens mounting.
Whether you’re driving along the coast, fishing in bright sun, or simply running errands, the Guardrails deliver the performance and style that have earned Maui Jim The Skin Cancer Foundation’s Seal of Recommendation. These aren’t just sunglasses—they’re an investment in how you see the world.
