all day comfort on the mountain . the thirtytwo shifty boa delivers unmatched comfort for long days on the slopes. with its soft evolution foam outsole, cushioned comfy tongue, and cosy comfort fit liner, this boot feels like a treat for your feet.outer bootthe lightweight evolution foam outsole provides excellent cushioning and flexibility, ensuring all-day comfort. it offers a smooth walking experience and a reliable grip on your board or navigating snowy terrain.linerthe comfort fit liner wraps softly around your feet, delivering plush comfort for long days on the mountain. the internal lacing system adds extra support and stability inside the boot.lacingthe boa® fit system allows for precise fit adjustments. the boa® lacing is quick and easy to use, ensuring a secure and reliable fit.