Made using plant-based BiO-Matter® frame material for lightweight comfort, the Oakley BXTR sunglasses arrive in a matte green "Fern" colorway with beige accents. The sporty semi-frameless design features a brown Prizm™ lens, allowing you the see more with uncompromising clarity. Outfitted with unique trigger stems inspired by heritage Oakley models, the BXTR comes finished with an Unobtainium® nose pad for a secure non-slip fit.