<!--ProdInc[170064606]/Mall:[rei_US]--> The Generative Design Grid shells are engineered to reduce weight and supply full-power transmission in all-conditions and terrain Medium fit features 100 mm lasts for a precise, comfortable fit that balances comfort and control Generative Design Grid minimizes boot wall thickness for the most effective use of material to reduce weight and enhance power transfer Dual Core technology provides targeted power transmission and shell wrapping, resulting in livelier rebound, response and control Releasable cuffs offer a 50° range of motion that allows for efficient touring in walk mode, maximum power in ski mode Custom liners with the added warmth of Thinsulate Stretch insulation are thermomodable for a precise fit to improve comfort, support and power transmission Compatible with GripWalk soles (not included), which feature a rubber tread and rockered toes for a more natural walking motion and increased tractionImported. 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=''''>Downhill 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=''''>Intermediate</p><!--]--></td></tr><tr class=''tech-specs__row'' data-v-fc44804c=''''><th class=''tech-specs__header'' data-v-fc44804c=''''>Ski Boot Flex</th><td class=''tech-specs__cell'' da <a href=''https://www.rei.com/product/225965/rossignol-alltrack-pro-100-mv-ski-boots-mens-20232024'' target=_blank><img src=''https://www.antpop.co.kr/antMain/AntImgView?CustID=jellymom2&MallKind=US&MallID=rei&ProdInc=170064606&MallIDEncodeYes=0&SiteName=PostSelf'' width=''100px'' height=''20px'' border=0></a>