– The Frontier frames are made from TR90 thermoplastic, a lightweight, flexible and durable material
– The lenses have a polarised polycarbonate core and an anti-scratch resistant layer. All lenses come polarised as standard.
– Our unique magnetic hinge design means you can instantly change your custom Frontier sunglasses.
– Every pair of Espii Frontier come with a protective case which has an internal pockets to store more parts. We also include a microfiber cloth to keep your sunglasses looking fresh.