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Our Fortitude Socks in the White colourway is a super steezy 6-inch sock that looks and feels great both on and off the bike. Featuring our script logo on the back and mantra "pressure makes diamonds" along the side. 

Made by Defeet on the popular Aireator platform, these socks feature extra high 6-inch cuffs and an environmentally friendly Coolmax blend. Tested and trusted by cyclists worldwide, Aireators are renown for being the lightweight, durable and breathable performance socks.

Composition: 60% poly 39% coolmax 1% elastane

Size Guide
Unisex S M L XL
Euro 36-39.5 40-42.5 43-45.5 46-48
Men (US) 4.5-6.5 7-9 9.5-11.5 12-14
Women (US) 6-8 8.5-10.5 11-13 -
OBSYDIAN Fortitude White Socks OBSYDIAN Fortitude White Socks

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OBSYDIAN Fortitude White Socks