Alpina ST20 Classic Nordic Cross Country Ski Boots Size EU42 US9 NNN 99 cross country NNN BC boots have the

NNN BC boots have the same configuration

Innersole length ~ 31 cm

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Suitable for MTB two bolt cleats and SPD or similar pedals

comfy and stiff shoes for tarmac

Alpina ST20 Classic Nordic Cross Country Ski Boots Size EU42 US9 NNN 99 cross country NNN BC boots have theALPINA Nordic Cross Country Ski Boots Perfect for classic or combi style Sizing & Measurements Unisex Size EU 42 US9 Innersole length ~ 27. 20 cm Suitable for NNN bindings Nordic Ski Binding and Boot Compatibility Guide NORDIC NORM 75MM (3 PIN) BOOTS Boots are the most obviously distinctive family of nordic ski boots. They have a 75mm wide "duck bill" at the front of the boot, with three holes on the bottom of the bill that line up with the pins on