Gill Ocean Blue Classic Sunglasses. Tested to perform, Gill's Classic Sunglasses feature FFT (Floating Frame Technology), so if you drop them all hope is not lost! With 7-layer TAC Polarized lenses and 100% UV 400 protection, you'll have ultimate sun protection and glare-free vision. Ideal for wearing on the water, the hydrophobic outer coating helps to shed water and reduce salt residue, so you can focus on what you do best. One size.