no other shoes in this price range have so much to offer. featuring solomon's superior shoe dna for fit, reactivity and durability, the faction boa with high-tech materials is the deal of the year. packed with features like an adjustable liner for a comfortable all-day feel and a d-light outsole for durability and boa lacing to keep the boot snug every day on the mountain.outer bootthe construction of the faction is very light and has an ultra low profile. the d-light outsole in full-length eva has extra grid structures under the heel for more comfort and cushioning where you need it.linerthe universal liner is fully adjustable to your foot and provides all-day comfort.lacing systemthe boa® coilerâ„¢ system is unbeatable. it's fast, super strong and gives you the ability to adjust the boot with millimetre precision to find the perfect balance between flex and support. this system allows you to adjust the upper and lower zones of the boot with a dial. this allows the complete shoe to be perfectly fitted to the foot to provide the best comfort and heel hold.