From Local Brand to Top 3 Global Player — The 15-Year Evolution of Walleva & Karuson
From supplying a handful of specialized components at its inception to fueling its rise as a Top 3 global leader in the sports optics niche, the 15-year strategic partnership between Karuson and the US-based brand Walleva defines the power of a professional eyewear factory. This case study explores how Karuson acts as more than a supplier—serving as a dedicated growth engine through relentless R&D, full-scale supply chain integration, and industry-first innovations in high-precision polarized lenses and medical-grade accessories.

Project Overview
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Target Market: United States & Global Expansion
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Core Deliverables: Precision replacement lenses (Polarized/Non-polarized), Medical-grade silicone accessories, Custom sports prescription lenses, and Complete sunglasses solutions.
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Collaboration Timeline: Since 2011 (15 Years of Strategic Partnership)
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Manufacturing Partner: Karuson Eyewear Factory
I. Customer Background
Founded in 2010, Walleva Inc. (brand: walleva®) is a premier US-based sports eyewear brand. Operating through global third-party platforms and independent stores, Walleva has built a stellar reputation for excellence. Their rapid ascent to becoming a market leader was fueled by a vision for high-performance optics, supported by the robust manufacturing capabilities of a professional eyewear factory.
II. Core Collaboration Highlights
Phase 1: The Foundation—Reliable Quality from Day One
The partnership began in 2011 with a focus on specialized replacement lenses. As a nascent brand, Walleva needed an eyewear factory that could guarantee consistency even for small-scale, high-precision orders. By delivering reliable polarized clarity and rapid response times, Karuson established the foundational trust required for a decade-long journey.
Phase 2: Innovation & Scaling—Engineering "Excellence"
As Walleva grew, Karuson evolved from a supplier into a technical innovator. We introduced industry-leading technologies to their lineup, including
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Advanced Coatings: High-performance Revo, Iridescent, and Full-frame goggle coatings.
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Material Safety: Integrated food-grade silicone for all eyewear accessories, setting a new safety standard in the industry.
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Massive Catalog Expansion: Grown from a few models to nearly 400 lens types, covering 17 major sports brands.
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Premium Protection: Launched the Mr. Shield® polarized series, meeting ANSI Z87.1 standards with specialized oil and seawater resistance.
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Engineering Breakthroughs: Developed a unique 230mm magnetic-screw helmet lens for the Giro Air Attack, a rare market find that garnered widespread consumer praise.
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Phase 3: Diversification—A Complete Ecosystem Solution
To help Walleva dominate the sports niche, our eyewear factory expanded production beyond lenses. Karuson now provides a "Full-Service Matrix":
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Core Optics: Custom polarized and prescription lenses.
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Ancillary Parts: Precision screws, clip-ons, and frames.
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Apparel Sourcing: Leveraging our integrated supply chain for complementary sports gear. This "Core + Accessories + Services" model allowed Walleva to streamline their procurement and focus entirely on global branding.
Phase 4: Technical Pioneering—The Rx Sports Breakthrough
In 2016, Karuson broke new ground by becoming the first eyewear factory in the sector to develop sports-specific myopic polarized lenses. This innovation filled a massive market gap for prescription-wearing athletes, further cementing Walleva’s position as an industry pioneer.
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III. Strategic Outcomes & Recognition
With the unwavering support of the Karuson eyewear factory, Walleva has achieved the following:
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Industry Ranking: Scaled from a niche local label to a Top 3 global player in the sports replacement lens category.
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Consumer Trust: Maintained top-tier ratings across all major e-commerce platforms for product durability and packaging.
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Global Reach: Successfully expanded business operations from the US to every major international market.
The 15-year synergy between Karuson and Walleva serves as a definitive model of how a dedicated eyewear factory can empower a brand to achieve global market leadership.
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Started Offering Custom Eyewear Solutions
Karuson has successfully provided customized eyewear solutions across various industries, with our products now featured in global markets, meeting the unique needs of retailers and sports eyewear users.
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