When you ask your dad why you have to clean your room, after 10x, your dad will tell you just because. Same thing here...nobody wants to explain why every time someone asks, which happens almost daily. So hit the search button and find the countless posts/threads/reviews that already explain why.
15 LibTech TRS HP . 15 NS Snowtrooper . 15 NS Ripsaw . 13 Salomon Pow Snake
15 Now Drive . 14 Now Drive
14 Flow Hylite