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Ships within 48 hours · Estimated delivery Oct 4 - Oct 9
The X ULTRA PIONEER GORE-TEX is packed with all the technology you need including waterproof protection
This mid-flexing boot features zonal customization and our Precision Harness
iconic chassis technology
they’re still irresistibly comfortable with the same high weather protection
while Energy Foam gives your run extra pop and response
ACS PRO GORE-TEX sizing-chart-Bags & Packs The X ULTRA PIONEER GORE-TEXWinterproofed technical trail legacy. ACS PRO GORE TEX is archetypal technical footwear with a modernised functional upgrade, now winterized for inclement conditions thanks to its GORE TEX waterproof membrane. Rooted in history, updated with a stride stabilizing Agile Chassis System for a progressive, weatherproof adaptation of a trail icon.
