Upgrade your original Flak Jacket sunglasses with thisauthentic Oakley Black Earsock & Nose Pad Kit, crafted from premiumUnobtanium rubber for maximum grip, comfort, and durability. Will NOT fit: Flak 2.0, Flak 2.0 XL, Flak 2.0 XXL, Flak XS, or any Half Jacket models.