Its lightweight design means that you race in it too

Underfoot flex grooves further enhance the agile

Made with low concentrations of silver salt

being crafted to keep you cool

Unisex Hilly Marathon Fresh Socklets Karhu Its lightweight design means thatStay fresh and odour free with the Hilly Marathon Fresh Socklets thanks to the unique Polygiene technology. Made with low concentrations of silver salt, which has anti microbial properties and is naturally present in water and soil, to safely eliminate the ability for bacteria and fungi to grow. This is only active on the sock itself and does not interfere with the skins bacterial flora. The added benefit of Polygiene odour control is that it will not