Spark highlights: Handcrafted from sustainably sourced wood Purple Sandal veneer wood sunglasses frame TAC Polarized brown lenses 100% UVA-UVB protection Stainless steel spring hinges, flexible...
Spark- Woodey™ - Silver Oak + White Ice Vaneer Wood Sunglasses Featuring TAC Ice Blue Polarized Lens And Stainless Steel Spring Hinges. (Frame:141Mm; Lens:53Mm)
Triacetate Cellulose is a new technology used first in the military. TAC Lenses not just polarized but they provide more clearer view than your normal lens.
TAC Polarized lenses are manufactured with a 7 layer construction: