Nokian Tyres Aramid Sidewall technology Durability and protection for surprising situations. The sidewall compound that is exceptionally durable and puncture-resistant contains extremely strong aramid fibres. The same material is utilised by the aerospace and defence industries. The aramid fibre strengthens the sidewall rubber to withstand external impacts and pressing against the wheel flange. Durability like never before – Watch a world record powered by Nokian Tyres Aramid Sidewall technologyNokian WR C3, Nokian cLine Van, Nokian cLine Cargo and Nokian Weatherproof C also utilise Aramid Sidewall Technology from 1 January 2018 onwards.