lined anorak in a subtle, urban design . the oakley tnp tbt insulated anorak, with breathable, waterproof oakley fn dryâ„¢ fabric and o-protect dwr coating, is a high-quality ski and snowboard anorak.loaded with features such as an adjustable hood, 80g insulation, critically sealed seams and various other easy-access features, this anorak is not only warm but also practical.the oakley performance fit gives you the best freedom of movement for all your adventures.