Nike FIRE L P FD1819 Sunglasses
Nike FIRE L P FD1819 Sunglasses

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Nike FIRE L P FD1819 Sunglasses

434 - Matte Mystic Navy - Polar Silver

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$67.69

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DESCRIPTION RATINGS & REVIEWS PRESCRIPTION GUIDE

The Nike FIRE L P FD1819 sunglasses combine athletic performance with everyday style in a large-fit square frame built for active lifestyles. These polarized sunglasses feature a bio-injected acetate construction that's both lightweight and durable, making them ideal for everything from beach days to mountain adventures.

Polarized Lenses That Cut Through Glare

Every pair comes equipped with polarized lenses that eliminate nearly 100% of reflective glare from water, snow, and pavement. The lenses enhance visual clarity and improve contrast, making them particularly effective for driving, water sports, and high-glare environments. Full UV400 protection shields your eyes from harmful UVA and UVB rays throughout the day. The 6-base frame curvature offers comfortable everyday coverage without the extreme wrap of sport-specific designs, and the 58mm lens width (58-18-140mm) provides generous coverage for larger faces.

Sustainable Bio-Injected Frame Material

The frame material is derived from at least 45% castor bean oil—a renewable, plant-based resource that reduces reliance on petroleum-based plastics. Castor beans grow quickly in arid regions, require minimal water, and don't compete with food crops, making this a genuinely lower-impact material choice. The bio-injected construction maintains the durability and flexibility you expect from Nike eyewear while supporting more sustainable manufacturing practices.

Designed for Large Fit

Nike specifically engineered the FIRE L for people who need a larger fit. The square shape flatters rounded facial features, and the full-rim design provides complete lens security and a bold, athletic look. The iconic Nike Swoosh logo sits cleanly on each temple. Available in seven color options—from classic matte black and obsidian to bold armory navy and clear frames with mirrored lenses—there's a style to match your preference.

These sunglasses are prescription-ready, so you can add single vision, progressive, or bifocal lenses through your optician. The frame accepts a wide range of prescription lens options, making them a practical choice if you need vision correction but don't want to sacrifice style or performance.

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Frequently Asked Questions

Are the Nike FIRE L P FD1819 sunglasses prescription-ready?

Yes, the Nike FIRE L P FD1819 frames are fully prescription-ready and compatible with single vision, progressive, and bifocal lenses. The 6-base frame curvature allows for easier prescription lens fitting compared to high-wrap sport frames. You can customize these sunglasses with your prescription through Designer Optics' licensed opticians.

What does the 'L' in FIRE L P mean?

The 'L' stands for Large fit. Nike designed the FIRE L specifically for people who need a larger frame size, with a 58mm lens width and 140mm temple length. The 'P' indicates these sunglasses come with polarized lenses that reduce glare from reflective surfaces.

What is bio-injected frame material made from?

The Nike FIRE L P frames are made from bio-injected material derived from at least 45% castor bean oil. This plant-based resin is a more sustainable alternative to petroleum-based plastics. Castor beans are a non-food crop that grows quickly in arid regions with minimal water requirements, making them an environmentally responsible material source.

Do these sunglasses provide UV protection?

Yes, the Nike FIRE L P FD1819 sunglasses provide 100% UVA and UVB protection (UV400). The polarized lenses also reduce reflective glare from surfaces like water, snow, and pavement, making them especially effective for outdoor activities and driving.

What is the frame size and who do these sunglasses fit best?

The Nike FIRE L P FD1819 measures 58-18-140mm (lens width-bridge width-temple length). Nike specifically designed this model for people who need a large fit. The 58mm lens width and square shape work well for those with larger or rounder faces who often find standard sunglasses too small.

Can I use these sunglasses for sports and outdoor activities?

Absolutely. The Nike FIRE L P sunglasses feature polarized lenses that reduce glare from water and snow, making them ideal for beach trips, water sports, skiing, and driving. The bio-injected frame material is lightweight yet durable, and the comfortable 6-base frame offers everyday coverage without excessive wrap, making them versatile for both athletic activities and casual wear.

Compare With Similar Frames

How the Nike FIRE L P FD1819 Sunglasses stacks up against the closest alternatives we carry.

Read the full comparison

Nike FIRE L P FD1819 vs. Similar Nike Polarized Sunglasses

If you're considering the Nike FIRE L P FD1819, you might also be weighing other Nike polarized sunglasses in a similar price range. Here's how the FIRE L P stacks up against comparable models in our collection.

FIRE L P vs. Nike RAVE P FD1849

Both the FIRE L P and the Nike RAVE P FD1849 come from Nike's FD series and share the same sustainable bio-injected frame material derived from castor bean oil. They're priced nearly identically ($61.76-$67.69 vs. $64.59-$67.69) and both feature polarized lenses with full UV protection. The key difference is fit and style: the FIRE L P is specifically engineered for a large fit with a 58mm lens width, making it the better choice if you have a larger face or prefer more generous coverage. The RAVE P may offer a different frame shape that could suit different face types, but if you've struggled with sunglasses feeling too small, the FIRE L P's large-fit designation is a significant advantage.

FIRE L P vs. Nike SWERVE P FD1850

The Nike SWERVE P FD1850 offers a more budget-friendly entry point starting at $56.00 while still delivering polarized lenses and prescription-ready frames. However, the SWERVE P isn't specifically designed for large fit, which means if you need that extra coverage and comfort, the FIRE L P's $5-12 premium is worth it. Both are part of Nike's lifestyle sunglass collection, but the FIRE L P's large-fit engineering and square shape provide better coverage for bigger faces and more generous protection from side glare.

FIRE L P vs. Nike ADRENALINE EV1112

The Nike ADRENALINE EV1112 ($50.00-$66.75) represents a more sport-focused alternative with a wraparound design that maximizes coverage during high-intensity activities. If you're primarily using your sunglasses for running, cycling, or other athletic pursuits, the ADRENALINE's aggressive wrap and secure fit might be preferable. However, the FIRE L P offers better versatility for everyday wear—the 6-base frame is comfortable for all-day use and transitions easily from the beach to casual outings. The FIRE L P's bio-injected sustainable construction is also a plus if environmental impact matters to you. For prescription wearers, the FIRE L P's less-curved frame typically makes lens fitting easier and more affordable.

Bottom line: Choose the Nike FIRE L P FD1819 if you need a large fit, want sustainable frame materials, and prefer a versatile square style that works for both active and casual wear. Its combination of polarized performance, eco-conscious construction, and generous sizing makes it an excellent all-around choice for larger faces.

At a Glance

Nike RAVE P FD1849 Sunglasses

Pros:

  • Similar price range ($64.59-$67.69)
  • Same sustainable bio-injected frame material
  • Polarized lenses with UV protection
  • Part of the same Nike FD series

Cons:

  • May have different fit size (not specifically designated as 'Large')
  • Different frame shape may not suit all face types
  • Fewer color options available

Nike SWERVE P FD1850 Sunglasses

Pros:

  • Lower starting price ($56.00)
  • Polarized lenses included
  • Same FD series construction quality
  • Prescription-ready

Cons:

  • Not specifically designed for large fit
  • Different frame shape may not provide the same coverage
  • May lack the same sustainable material percentage

Nike ADRENALINE EV1112 Sunglasses

Pros:

  • Lower starting price ($50.00-$66.75)
  • Sport-specific wraparound design for maximum coverage
  • Proven popular model with strong reviews
  • Prescription-ready

Cons:

  • More aggressive sport styling may not suit everyday wear
  • Wraparound design can be more challenging for prescription lenses
  • Less sustainable frame material compared to bio-injected construction

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