The Seirus Innovation Heatwave Plus Gore-Tex Beam Gloves provide full protection with 250g HeatLock Insulation, Gore-Tex insert, Pro fabric shell, SoftGrip palm and one-handed wrist & cuff cinch and our new HEATWAVE revolutionary dual heating system. Our Heatwave kinetic heat return system amplifies reflected heat through thermal reflective technology (up to 20% warmer) and kinetic energy (amplifies temperature 4-5 ).