The Atomic Hawx Ultra Mimic Platinum Liner Men has an anatomically pre-shaped heel and ankle area that comfortably secures the foot the moment a skier steps into the boot – and it’s only getting better. The heel, ankle and tongue feature a layer of supportive heat-moldable material. After being softened in the oven, this material mimics the precise shape of your foot, and hardens in that shape for a perfect custom fit.