DetailsKuhl Size Chart You may never beat the wind, but you can fight it. Protect yourself with the PARAJAX™ Women's Performance Jacket, an incredibly versatile and durable piece of equipment that’s ultra lightweight. It’s made with a water resistant coating and AIR BLOK™, a 100% nylon ripstop fabric. Add the the UPF 50+ rating, and you’ve got protection from the wind, rain and sun all rolled up into one. Get yourself this impressive, performance jacket.