The thickness insures you wont damage it, and safely wear it for outdoor fun (whatever it might be). The design is that of a light biker jacket you would put on for a quick ride, but also for casual activities as it combines perfectly with a regular jeans or else. The jacket can then be easily mixed with other type of products. The pockets and zips add even more style to it, and participate in making it a perfect item to wear in any situation. Whether you like it loose or tight, it will match your expectation as the measurement are well defined I'm more than happy to have it in my dressing room