<!--ProdInc[170088208]/Mall:[rei_US]--> Carbon Core lower shells wrap your feet with injected carbon for increased torsional stability Carbon Core cuffs use carbon for increased leverage along with Pebax Rnew that wraps the lower leg Pebax Rnew is a plant-based polymer that provides the same performance, durability and function of regular Pebax while using less fossil fuel and creating fewer CO2 emissions Wave Lite Closure System is highly adjustable, increases closing force and reduces pressure points for a secure, comfortable fit Intuition Pro Flex Performance liners are custom moldable and super warm Adjustable forward lean: 16° +/- 2° 61° range of motion in walk mode allows for long strides and efficient touring Heel Retention Strap (HRS) keeps your heel locked in place for blister-free touring and turning Booster Active Power Strap provides maximum power and a smooth, progressive flex Lower shells are made of Grilamid BIO, a plant-based polymer that is extremely light and stiff but reduces the use of fossil fuel and CO2 emissionsImported. 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 Skiing</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Skill Level</th><td class=''tech-specs__cell'' data-v-fc44804c=''''><!--[--><p class=''tech-specs__value'' data-v-fc44804c=''''>Advanced</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th <a href=''https://www.rei.com/product/225598/scarpa-maestrale-rs-alpine-touring-ski-boots-mens-20232024'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170088208&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>