Alpina SP20L Cross Country Ski Boots Classic Size EU35 US3.5 NNN Rottefella 846 duck bill Size Unisex: EU 40

Size Unisex:  EU 40

Women's / Unisex Size EU 36 2/3 US4

Unisex's Size EU46 US12

Unisex's Size EU38 US6

Innersole length ~ 26

Alpina SP20L Cross Country Ski Boots Classic Size EU35 US3.5 NNN Rottefella 846 duck bill Size Unisex: EU 40Nordic Cross Country Ski Boots Perfect for combi style Sizing & Measurements Unisex Size EU 35 Innersole length ~ 23 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 their appropriate binding.