Men's Polarised Sunglasses with Metal Frames: UV400 Protection, 0.75mm Polarised Lenses, and Adjustable Spring Hinges for Secure Fit
Black Frame Gray
£16.98
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Introductory paragraph: Designed for clarity and comfort in bright conditions, these men's polarised sunglasses combine specific optical and physical features. The core benefit comes from the 0.75mm polarised lenses, which are engineered to reduce intense reflected glare from surfaces like water, snow, and wet roads. This is paired with a UV400 filter that blocks 100% of harmful ultraviolet rays. The frame, crafted from zinc alloy, provides a durable foundation, while the inclusion of adjustable spring hinges at the temples allows the arms to flex outward and return to shape, creating a customised, secure fit that resists slipping during movement. Available in styles ranging from decorative dragon and phoenix designs to natural Japanese and Korean-inspired looks, they suit scenarios from fishing and driving to casual social gatherings.
This section details the precise materials, dimensions, and construction techniques that define the performance and longevity of these metal-frame sunglasses.
These sunglasses are specified for a variety of environments, from professional hobbies to daily routines, thanks to their targeted features.
The investment in these sunglasses is justified by specific performance characteristics and construction that contribute to long-term use.
Men's Polarised Sunglasses with Metal Frames: UV400 Protection, 0.75mm Polarised Lenses, and Adjustable Spring Hinges for Secure Fit
£16.98
Men's Metal Polarised Sunglasses: UV400 Protection and Adjustable Spring Hinges for a Secure Fit
Features and Build Quality of Polarised Sunglasses
Metal Frame Design and Dimensions
The sunglasses feature a metal frame constructed primarily from zinc alloy, chosen for its resistance to corrosion and its ability to hold shape under daily use. The frame accommodates single lenses with a width of approximately 55mm and a height of 45mm, providing ample coverage. The bridge width is set at 18mm, a measurement designed to sit comfortably on a range of nose structures without pinching, aided by integrated nose pads for stability. The temple arms extend 145mm from hinge to tip, ensuring the fit wraps securely around the head.Polarised Lens Technical Specifications
The optical performance is grounded in measurable data. The lenses are polarised, meaning they contain a laminated filter that blocks horizontally oriented light waves, significantly reducing glare. This filter is applied to a 0.75mm thick lens substrate, offering a balance between impact resistance and minimal visual distortion. Crucially, the lenses carry a UV400 rating, which certifies they block 100% of UVA and UVB rays up to 400 nanometres. This makes them suitable for prolonged exposure in strong sunlight during activities like cycling, travel, or fishing.Hinge Mechanism and Durability
A key quality feature is the adjustable spring hinge integrated into the temple arms. This mechanism uses a small coil spring housed within the hinge, allowing the arms to flex outward beyond their standard position and then return without causing stress fractures in the metal. This construction addresses the common point of failure in rigid-hinge sunglasses and adapts the fit to different head sizes, from approximately 135mm to 150mm in circumference, enhancing both comfort and secure retention.Practical Applications for Sunglasses
Professional and Sport Use
For activities where visual clarity and physical security are paramount, these sunglasses provide specific solutions. Anglers and boaters benefit from the polarised lenses cutting surface glare on water, improving visibility into the shallows. Cyclists and drivers gain from reduced glare from wet roads and bonnets, while the spring hinge fit prevents the frames from bouncing or slipping during vigorous movement. The UV400 protection is essential for anyone spending extended hours outdoors, offering a measurable defence against long-term sun damage.Everyday and Lifestyle Use
Style Versatility and Options The product's versatility is shown in its range of configurations. You can choose classic, understated looks like a black frame with polarised grey lenses for a natural style, or opt for more distinctive frames with gold or silver finishes and decorative elements. Certain options feature colour-changing lenses, which adapt their tint based on light intensity, making them suitable for variable conditions. This allows one pair to serve multiple roles, transitioning from a practical accessory for driving to a styled element for social occasions.Tangible Benefits and Value
Long-Term Value and Protection
The primary value proposition is protective. By blocking 100% of UV rays, the lenses provide a direct health benefit, guarding against conditions like photokeratitis and contributing to long-term eye health. The durability of the metal frame and spring hinge mechanism reduces the likelihood of breakage from everyday flexing, a common reason for replacing cheaper, rigid-frame sunglasses. This construction suggests a longer usable lifespan, offering better cost-per-wear compared to disposable fashion sunglasses that lack equivalent optical protection.User Experience and Satisfaction
Reason for Purchase</h3 Consider these metal polarised sunglasses if you require specific, measurable performance from your eyewear. The decision hinges on the need for 100% UV protection combined with effective glare reduction from 0.75mm polarised lenses. The adjustable spring hinge fit solves the universal problem of sunglass slippage, making them a practical choice for an active lifestyle. By choosing a frame with a defined style, from natural to decorative, you acquire a functional tool that also serves as a reliable personal accessory for sun protection, fishing, travel, and cycling.