The jacket is comfortably slim, therefore especially in summer easily portable! If it still is cool meal, just a thin fleece jacket topsy-ready. The breathability is just great - compared with my other soft shells arguably the best! Whether it really is 100% waterproof, I can not say, but several hours of rain (Norway) has been through it with no problems.
The high flexibility even for climbing ideally suited only to the two side pockets are no longer comes with belt.