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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 Store SKU
    38/39 00708752085183 SH4513 SH4513
    40/41 00708752085190 SH4514 SH4514
    42/43 00708752085206 SH4515 SH4515
    44/45 00708752085213 SH4516 SH4516
    46/47 00708752085220 SH4517 50519
    48/49/50 00708752085237 SH4518 50518
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