Mens Phantom LT 2.0 Pant 50 - 36in - Desert Tan. Built from the same blueprint as the Vertx® Original Pants, the Phantom LT 2.0 Pants deliver optimal performance in an extremely light-weight format. Made of 6.5oz. 65% polyester/35% cotton mini Ripstop, the Phantom LT 2.0 Pants combine the durability needed to resist rips and tears, with the comfortable, soft fabric desired for daily wear.