You're currently comparing the BTTFB Backpack by The North Face against the Women's Terra 55 Backpacking Backpack by The North Face

The North Face's BTTFB Backpack is a Hiking backpack with Backpacking features while The North Face 's Women's Terra 55 Backpacking Backpack is a Backpacking backpack with Womens features

The The North Face BTTFB Backpack has a capacity of 20L (liters), weighs 175 pounds and it's dimensions in inches are 19 x 13 x 4 It's made of 900D polyester with TPE PVC coating and is available in Macrofleck Print Green in comparison the The North Face Women's Terra 55 Backpacking Backpack's capacity is 55L with a size of 224 x 134 x 102 inches Constructed from 210D Nylon with Non-PFC DWR Finish it weighs 31 pounds and is available in 3 colors and patterns