Oakley Line Miner M B1B Purple Goggle w/ Prizm Sapphire Iridium Helmet The aluminum crystal card provides

The aluminum crystal card provides a surface to analyze/classify snow grains and also has a slope index

SUPER ANTI-FOG | Double lenses combined with a unique heavy duty hydrophilic treatment on the inner lens

The water repellent exterior provides protection in damp weather - with taped seams and insulation to ensure warmth and overall comfort for a variety of cold weather activities

The Carbon 14 S features the best of everything: Super lightweight yet extremely rigid shafts made of 100% pure carbon

The inserts

Oakley Line Miner M B1B Purple Goggle w/ Prizm Sapphire Iridium Helmet The aluminum crystal card providesFrame Size: M The original Line Miner goggle was created with the purpose of providing the ultimate in peripheral vision, with a cylindrical style design. We were able to pull the goggle in closer to your face than ever before, allowing for incredible downward and side to side periphery. With a mid sized t, Line Miner M is optimized for a wide variety of faces and is engineered to t perfectly with most helmets. Available in Prizm Lens Technology