01Gold Standard
Sykes PX Short
$68$68
runningultramarathonbluesigntoraysustainable
Toray PrimeFlex fabric (Japanese technical textile). Bluesign certified sustainable manufacturing. Designed by ultrarunners for ultrarunners.
Quality Score11/12
Purity
Evidence
Transparency
Value
Strong Evidence
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Ingredients & Purity
Toray PrimeFlex fabric. Bluesign certified production.
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Scientific Evidence
Designed by ultrarunners. Bluesign environmental certification.
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Brand Transparency
Bluesign certification. Japanese fabric sourcing disclosed.
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Value Assessment
$68 for Bluesign certified with Toray fabric is fair value.
Why Not Alternatives?
Toray PrimeFlex is premium Japanese fabric rarely seen in running shorts. Bluesign certification validates environmental practices.