The original price of this is £175 (yes, I know), currently listed at £87.50. But you can use the code "40BLC" to get 40% off. So a Goretex jacket froma decent brand for just over £50.
Good choice of sizes, although other colours are a bit more expensive.
"Take showers in your stride in this amazingly light parka-style GORE-TEX® packable jacket. Caywood is designed to take minimum space in your backpack, ready to deliver impressive waterproof performance when the dark clouds gather. A new trail essential."