I have been using it for work and I can layer it nicely under my coveralls. I also plan to use this on an upcoming ski adventure and it fits great under my ski jacket. The outer shell fabric is top notch and this thing looks sharp. Operating the heat system was easy once I found the rubber V logo button on the outside of the pocket. I'm happy with my purchase and would recommend to anyone looking for top shelf heated clothingThis is my favorite jacket. The heat system is awesome and easy to operate. The look and style of the jacket is better than the pics show.Pros- Looks goodCons- The arms are stiff and very uncomfortable. You'll quickly develop elbow pain wearing this thing- Very minimal and ineffective head production even at max setting and wearing only just a thin shirt underneathI certainly was disappointed with this purchase and definitely cannot recommend this product. Its' way too much money to spend for the masochistic benefit of feeling uncomfortable and freezing your butt off. The company needs to go back the drawing board on this one.Bought this heated jacket for my boyfriend. He absolutely loves it. I was worried how he would like it as I saw a review saying the material was stiff. I am not sure if that reviewer got it mixed up with some other jacket but this jacket uses really nice fabrics and is made very well, very stylish. It is lightweight and fits close to the body, has pre-curved sleeves which makes for a great fit. My boyfriend is 6ft 175lbs and wears the size large. Thanks Volt!This Jacket is amazing! Anyone who thinks otherwise is either a competitor or brain dead. This jacket is super warm without even turning on the heat. This jacket fits great, feels great and is of high quality. I brought this to work and many others wanted to know how much and where to get it. They were also very impressed that it was only $200.