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> Bicycling > Shoes > Accessories/Parts > 45NRTH > Jaztronaut
45NRTH Jaztronaut

45NRTH Jaztronaut

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45NRTH Jaztronaut

45NRTH's Jaztronaut are temperature-blocking insoles designed for cycling footwear. These insoles are constructed with a 2mm panel of non-compressible aerogel insulation laminated inside durable EVA foam. Aerogel is a porous nanotechnology that has been used by NASA to insulate astronaut spacesuits! It has super-high thermal performance and does not require loft to trap heat. Simply put, these insoles say no to cold cleats, and yes to warm feet, even under pedal load.

  • Part Numbers close open

    Option Barcode Manufacturer's Part Number Vendor Number
    38/39 708752085183 SH4513 LTP-458255-01
    40/41 708752085190 SH4514 LTP-458255-02
    46/47 708752085220 SH4517 LTP-458255-05
    48/49/50 708752085237 SH4518 LTP-458255-06
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