Our flagship square aviator in premium resin and steel. Ultralight fit, good coverage, larger frame. Features CR-39 Polarized Aura Lenses CR-39 lenses provide superior clarity, abrasion resistance and strength for a premium optical experience. Comfortable, Snag-Free Fit Our innovative faceplate construction eliminates protruding nosepads for a smoother, snag-free fit. Premium Steel Frames Crafted with electroplated steel and flexible TR90 resin for lightweight durability and a signature Sunski look. Design & Fit Estero is a large, square aviator built on our premium multi-material architecture. Strong proportions, a double bridge, and sculpted nosepads deliver standout style with trademark Sunski all-day comfort. Subtle aviation cues—lens-perimeter filigree and wing-inspired temples—nod to its heritage. Large square lenses provide confident coverage and unmistakable presence. Crafted from palladium-coated, electroplated SAE 304 stainless steel for serious durability and premium Aura lenses for unmatched optics. Size: LARGE Eye Coverage: High Wrap & Angle: Medium Temple Width: 145mm Bridge Width: 21mm Lens Width: 53mm Lens Info Estero features Aura polarized CR39 lenses that block 100% UVA/UVB/UV400 wavelengths and pass the FDA basic impact test. Curve: Base 4 Category: 3 Forest: Non mirrored, Green tint, 11% VLT Amber: Non Mirrored, Amber, 15% VLT Slate: Non-Mirrored, Grey tint, 10% VLT Silver: Mirrored, Grey tint, 10.33% VLT Estero features we love Snag-Free Fit Our innovative faceplate construction eliminates protruding nosepads for a smoother, snag-free fit. Polarized Aura Lenses CR-39 lenses provide suoerior clarity, abrasion resistance and strength for a premium optical experience. Iconic Style Completely original frames inspired by contemporary design culture and tailored for the modern outdoor enthusiast.
