メモ - 靴とクランポンのグレード

Mountaineering Boot Grades

The Absolute Guide to Mountaineering Boot Grades: B0, B1, B2 & B3
https://www.absolute-snow.co.uk/buying-guides/the-absolute-guide-to-mountaineering-boot-grades-b0-b1-b2-b3

B0
incompatible with crampons
traditional walking boots
flexible soles and uppers
perfect for 3 season use below snowlines（万年雪がある下方境界線より下）

B1
all round 4 season walking boots
long mountain days, scrambles and winter hill walking
stiffly constructed
rigid midsole
nly compatible with C1 ‘Strap on’ crampons

B2
summer alpinist
winter climber
stiff midsoles and uppers
enough flexibility for general walking
a heel ledge to allow the fit of a C2 crampon

B3
full on mountaineering, year round alpinism, mixed and ice climbing
the stiffest soles and uppers
technical climbing models
high altitude double boots
fitting of C3 crampons

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The Absolute Guide To Crampons and What Their Ratings Mean
https://www.absolute-snow.co.uk/buying-guides/the-absolute-guide-to-crampons-and-what-their-ratings-mean

C1
Strap-on
suitable for B1, B2 and B3 boots
winter walking and glacier traverses

C2
Semi step
toe strap, heel lever
compatible with B2 and B3 boots
require a stiff sole and heel groove
10-12 points
winter climbing and alpinism

C3
Step in
metal toe bail with a plastic heel lever
very stiff boots with a both a crampon heel and toe groove
only compatible with B3 mountaineering boot

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C1 Rated alpine crampons

Grivel Air Tech New Classic
https://www.kamoshikasports.com/product/712
https://grivel.com/products/air-tech?variant=14770202574883

Salewa Alpinist Walk Universal Fit Alpine Crampon
https://www.salewa.com/alpinist-walk-crampon-00-0000000814

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C2 Rated alpine crampons

Grivel Air Tech Light New Matic
https://grivel.com/products/air-tech-light
Grivel Air Tech New Matic
https://www.kamoshikasports.com/product/713

Salewa Alpinist Aluminium Combi Crampon
https://www.salewa.com/alpinist-aluminium-combi-crampon-00-0000000812

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C3 Rated alpine crampons

Grivel G12 Cramp-o-matic
https://grivel.com/products/g12?variant=14770454528035
https://www.kamoshikasports.com/product/718

Black Diamond Cyborg Pro
https://www.blackdiamondequipment.com/en_US/product/cyborg-pro-crampons/
https://www.lostarrow.co.jp/store/g/gBD33040/