Apeks ThermiQ Carbon Core TopWhere cool design meets state of the art technology, the Apeks ThermiQ Carbon Core sets new standards in base layer thermal protection. Comfort is guaranteed with the triple layer soft shell, combined with the technically advanced graphene lining to give the ultimate in warmth and flexibility. Benefits: Triple layer soft shell fabric ensures the top keeps you warm in all environments. The ThermiQ Carbon Core can be worn on its own as a thermal rash