http://www.wetestall.com term skin coat on, it should be described as the first of an ultra-lightweight windbreaker Patagonia's Houdini Full-Zip Jacket, because the material it uses is different from ordinary fabric, very light weight, abnormal comfortable contact, good permeability, and have a windproof, water-resistant, and very flexible, like a thin layer of human skin. The total weight of the entire bag of clothes into the store with the tag of only 182 grams. First look, the clothes and the overall work of external and internal alignment is very good, I feel the material is also very strong. Both sides have adjustable elastic hem can be adjusted according to individual needs. Breathable fabric is very good, the naked eye can see the ventilation effect. According to state regulations, a skin coat UPF value reached more than 40, in order to be a qualified skin coat, tested, UPF value section of skin coat only reached 38.5, its UVA transmittance also exceeded the national standard, Unfortunately, this dress is not a qualified skin coat. Summary: Pros: good workmanship, breathable and water repellent sexual performance is very good. Cons: not a qualified UV products, but also from the index almost, they still have some UV protection capabilities. A little trimming should be good, but still failed.