The Atomic BACKLAND EXPERT W women's ski boots have a softer female specific liner and cuff.The Energy Backbone technology transfers energy to the skis when skiing downhill and the Free/Lock 4.0 system locks the cuffs firmly in place when switching from walk to ski mode.The boots' durable Boa® Fit tightening system which can be effortlessly adjusted on the go ensures a precise fit. The washable, breathable Memory Fit 3D Gold Light W inner booties keep your feet warm and dry.These cleverly designed ski boots make skiing more fun.