Special Package Discount
$80.00
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Built for Whatever the Weather Throws at You Birkie week rarely plays nice — cold mornings, warming afternoons, changing snow. These packages are built to cover the range and save you money. What’s in the pack Colder ComboBase Prep Thunderbolt Plus 10 Thunderbolt Plus 20 Warmer ComboBase Prep Thunderbolt Plus 20 Thunderbolt Plus 30 This setup gives you flexibility as forecasts tighten and confidence on race day when conditions shift. We built this pack specifically for Birkie week temperatures — no guessing, no last-minute scrambling.
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