No need to order a stiff one after you slip your feet into the Nordica NRGy Pro 1 Ski Boots. These bad boys have a 130 flex. Yes, 130. That means they are for the mountain beefcakes who want to summon the power of the gods and have enough rebound to send them to Japan. The custom cork liner in the NRGy Pro 1s let you find your best fit to get a comfortable ride and to increase your control, so you can be even more aggressive. Come on and feel the reign that comes with the Nordica NRGy Pro 1. We won't tell the world how power hungry you are.