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    Nordica Speedmachine J4 children's ski boots blue and white 050736003L4
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    Nordica Speedmachine J4 children's ski boots blue and white 050736003L4
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    The Nordica Speedmachine J4 with PrimaLoft insulation is certainly a choice that will work well for young, ambitious skiers.

    Parameters

    Basic data

    Brand Nordica
    Country of origin of the brand Italy
    Sport Skiing
    Gender Boy, Girl
    Season Autumn/Winter
    Leading colour Blue
    Model/product code Speedmachine J4 050736003L4
    Purpose All mountain
    Code 2000045819

    Product details

    Level of sophistication Intermediate, Beginner
    Flex (hardness) scale 55
    Sole 5355 High Traction soles
    Weight 1 but: 1280 g (24.5 cm )
    Compatibility with bindings Classic Alpine + GripWalk

    Shell

    Shell width 100 mm
    Shell moulding capability Yes

    Inner boot

    Inner boot PrimaLoft
    Built-in heating system No
    Mouldable inner boot Yes

    Fastening

    Buckles 4 Aluminium brackets
    Velcro Yes, 25 mm
    Product description

    Nordica Speedmachine J4 children's ski boots blue and white 050736003L4 (050736003L4)

    Young skiers need specially designed equipment that will accompany them on the slopes, while supporting their development and providing optimal conditions for learning to ski. The Nordica Speedmachine J4 ski boot model was designed to meet all these needs.

    The boots utilize TRIAX technology, which perfectly combines lightness with material durability — features essential for rapidly developing young skiers. The lighter construction of the boot reduces the load on children's feet, while its solidity provides protection and safety during skiing challenges. Thanks to TRIAX, young skiing enthusiasts can enjoy freedom of movement while having confidence in stability and proper support.

    The POWER DRIVER technology is another important element, affecting the direct power transmission from the leg to the ski. A durable strap wraps around the upper part of the leg, ensuring even pressure distribution on the shin and enabling efficient power transmission. This element increases comfort, reduces strain, and enhances skiing performance.

    Product Details

    Nordica Speedmachine J4 children's ski boots blue and white 050736003L4

    Warm internal boot

    But the internal with PrimaLoft technology provides young skiers with comfort and warmth even on the coldest days. This insulation is not only lightweight and soft but also exceptionally resistant to weather conditions, offering excellent thermal properties that keep feet warm and dry all day on the slopes.

    Nordica Speedmachine J4 children's ski boots blue and white 050736003L4

    A certain fastener

    The boot closure features 4 aluminium buckles, which provide stability and a precise fit for the child's foot. Each buckle is easy to use, allowing young skiers to put on and take off their boots independently.

    Nordica Speedmachine J4 children's ski boots blue and white 050736003L4

    Grip sole

    The 5355 High Traction soles provide unprecedented grip and stability, which is extremely important, especially on slippery, icy surfaces. Confidence in footsteps is a crucial element when young skiers move off the ski slopes, for example, when crossing areas designated for pedestrians in ski resorts.

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    Color
    Nordica Speedmachine J4 children's ski boots blue and white 050736003L4
    Nordica Speedmachine J4 children's ski boots black 050734007T1
    Size Sizes table
    Choose an Option...

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    Sizes table

      To properly size ski boots, you need to consider the flex and last.

      LAST 98MM - for skiers with narrow foot's sole or for those who prefer a more enveloping fit;

      LAST 100MM - for skiers with medium foot's sole or for those who prefer a precise fit;

      LAST 102MM - for skiers with a wide foot's sole or for those who prefer a comfortable fit.

      Flex woman male Kid
      Hard - for expert and more robust 115-95 140-120 90
      Medium - for intermediate 85-75 > 110-90 70-60
      Soft - for beginners 65-55 80-60 50-25

       

      Size (cm) 14 14,5 15 15,5 16 16,5 17 17,5 18 18,5 19 19,5 20 20,5 21 21,5 22 22,5 23 23,5 24 24,5 25 25,5 26 26,5 27 27,5 28
      UK size 7 8 8,5 9 9,5 10 10,5 11 11,5 12 12,5 13 1 1,5 2 2,5 3 3,5 4 4,5 5 5,5 6 6,5 7 7,5 8 8,5 9
      US Size - - - - - - - - - - 1 1,5 2 2,5 3 3,5 4 4,5 5 5,5 6 6,5 7 7,5 8 8,5 9 9,5 10,5
      US Size (kids) 8 8,5 9 9,5 10 10,5 11 11,5 12 12,5 13 13,5 - - - - - - - - - - - - - - - - -
      AB - Mondopoint (cm) 14 14,5 15 15,5 16 16,5 17 17,5 18 18,5 19 19,5 20 20,5 21 21,5 22 22,5 23 23,5 24 24,5 25 25,5 26 26,5 27 27,5 28

      Mondopoint is the length of the foot (measured from the heel to the tip of the big toe).

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