Only the originals will doendorsed by bbc tvs ski sunday pundit and champion skier graham bell heat holders latest sock is ideal for skiers of all ages and abilitiesthe extra long thickly padded sock cushions the lower leg and foot against the tiring effects of cold extremities only heat holders are officially 234 tog rated for warmth provisionbecause of their specially blended bulk yarn extra long cushion loops and intensive brushing process heat holders hold more warm air close to t