Welcome to Altra Running Footwear

Coolmax®

The specially engineered 4 channel cross section of the Dupont Coolmax® fibres make them extremely good at moving moisture away from the skin while maintaining breathability. This helps to make sure that feet remain dryer and are protected against blisters and soreness. The shape of the fibre also gives a soft and natural feel which makes it perfect for use in liner socks.

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