Leather jackets never have and never will be out of style. Thank goodness, because I have so many of them.
I usually wear them with skinny jeans and either a simple t-shirt or a more fancy top depending on the occasion. I've also worn them with dresses and high heels, and thrown them on over hoodies on lazy days. The last look is my favorite because it's so laid back but so stylish at the same time thanks to the leather.
Get a good quality black leather jacket and you will be reaching into your closet for it many times.
I realize this question's addressing girls specifically, which obviously will not maximize the amount of information it attracts, a shame.
Anyway, here are some facts about leather so far unmentioned: quality leather (i.e. cowhide) is extremely durable, retains heat, and is partly waterproof, resistant to fungal attack, dry abrasion and fire. For these reasons, leather jackets are practical in autumn-winter conditions so will likely always be common.
(** a friend once wore causal clothes, running shoes, a dark leather jacket with her hair tied, and it looked spectacular).
Leather Jackets trend never go out of style. I think leather jackets are perfect outfit for autumn-winter season. They keeps you warm inside. Also Leather jackets makes you look trendy and stylish. Leather jackets fashion is on high these days. Have a look at Leather Bomber jackets and other leather outfits from LeatherGalaxy.com. These leather jackets are very famous nowadays and affordable too.
Leather jackets are a timeless fashion piece! They can be worn with a wide range of items, I wear mine with a short leopard print skirt and band t-shirt because I usually go for the rock look, as I like that kind of music. I'll also wear a leather jacket with a cute dress to add a bit of an edge!