Oakley HSTN SQ Sunglasses - Matte Black Cool Stuff the shell features a PU

the shell features a PU coating and a durable water repellent (DWR) finish

lockable zips

This semi-keel + stabiliser offers the flow of a traditional twin fish with the control of a performance quad setup

Yulex natural rubber is FSC certified by the Rainforest Alliance

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Oakley HSTN SQ Sunglasses - Matte Black Cool Stuff the shell features a PUO Matter Frame: Oakleys injection moulded thermoplastic frame material provides improved strength and flexibility over traditional acetate and is built to withstand from shifting or deforming over time. Unobtainium Nosepads: Unobtanium is the first innovative material patented by Oakley to ensure maximum comfort by increasing grip with perspiration and keeping the frame in place without slipping. Oakley lenses are designed and tested under extreme