<!--ProdInc[170087895]/Mall:[rei_US]--> Asymmetric Power Transmission construction delivers more lateral power and increased edge grip, thanks to the interior shell being thicker than the exterior 45 mm power strap and 4 buckles provide precise power transmission and control Softer material at the instep makes stepping in and out of the boots easier, regardless of temperature T.Ride walk mechanism is fully integrated into the boot design for a solid, low-profile cuff and shell connection that boosts strength and performance while being easy to use Intuitive design ensures you always know whether T.Ride is in ski or hike mode, while an integrated lock system screw keeps the mechanism closed during rough rides Optional lock mode removes any potential play in the boots and delivers complete confidence for remaining in ski mode on the downhill Free Move hinge point design allows for frictionless hiking, so you can hike farther using less energy 50° range of motion allows for a comfortable hike up to the summit?or an easier walk in the parking lot Updated C.A.S. liners are lighter yet more supportive and durable, offering optimal comfort and heel hold; accordion structure on the backs allows for easy hiking 99 mm anatomic lasts match the shape of your feet for an ideal out-of-the-box fit; for a custom fit, your bootfitter can punch, grind and mold the C.A.S. liners and shellsImported. Technical specs <table border=1 cellpadding=5 style=''border-collapse: collapse;''><!--[--><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Best Use</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Backcountry Ski <a href=''https://www.rei.com/product/226244/tecnica-cochise-120-ski-boots-mens-20232024'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170087895&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>