Sunglasses Coast Optics Echo Driftwood - Gold Sun / ClearSunglasses Coast Optics Echo Driftwood Gold Sun Clear Good things come in small packages. We took the tried and tested features you loved about Nita and scaled them into a more compact offering. Echo replicates the performance and style of Nita, with a refined fit for those with smaller heads. Lens Gold Sun Filter Cat 3 VLT 15% Clear Filter Cat 0 VLT 85% Features Biodegradable Bio TR90 for a durable, lightweight and strong frame Easily changeable high