The Costa Helo Sunglasses full frame features Hydrolite over-injected adjustable temple tips, air-cushioned full-motion nose pads and integral spring hinges. 
The Costa Del Mar Helo frame is so lightweight and airy, you'll barely know you're wearing it! Costa Polarized Sunglasses Costa 580P Sunglasses Blue Lens Lightweight & Impact Resistant Polycabonate is your lightest and most durable lens material option C-Wall is a molecular bond which is scratch resistant 
Frame Fit = Large Fit 
Frame Width = 134.1mm 
Bridge Width = 13.5mm 
Lens Width = 61.0mm 
Lens Height = 49.5mm 
Temple Arm Length = 128.0mm