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Extra Cold Weather Sock

SKU: PW SK18-01
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Determination of whole shoe thermal value and cold rating
A cold rating test to assess thermal performance. The item of footwear is tested on a heated artificial foot form and by monitoring the amount of energy required to maintain the foot temperature and the temperature of the foot and it’s surrounding environment, a range of minimum temperatures at which the footwear will feel comfortable according to the activity level of the wearer can be calculated. To test socks, a reference sample of footwear (FW11) is first tested with a reference sock and then with the sample sock (SK18) to assess the contribution made to the thermal performance of the footwear.

  • Dual layer Construction with outer Shell consisting of a high wool content.
  • Height is 40 cm.
  • Moisture transfer properties
  • Breathable
  • It protects to temperature of body in cold weather.
  • Inner Viafil layer is anti odour
  • Anti fungal with insulation

SATRA TM436:2010


Fabric: Outer 40% Wool 40% Acrylic 20% Nylon Inner 100% Viafil
Product description

Determination of whole shoe thermal value and cold rating
A cold rating test to assess thermal performance. The item of footwear is tested on a heated artificial foot form and by monitoring the amount of energy required to maintain the foot temperature and the temperature of the foot and it’s surrounding environment, a range of minimum temperatures at which the footwear will feel comfortable according to the activity level of the wearer can be calculated. To test socks, a reference sample of footwear (FW11) is first tested with a reference sock and then with the sample sock (SK18) to assess the contribution made to the thermal performance of the footwear.

  • Dual layer Construction with outer Shell consisting of a high wool content.
  • Height is 40 cm.
  • Moisture transfer properties
  • Breathable
  • It protects to temperature of body in cold weather.
  • Inner Viafil layer is anti odour
  • Anti fungal with insulation

SATRA TM436:2010


Fabric: Outer 40% Wool 40% Acrylic 20% Nylon Inner 100% Viafil
Additional information
Manufacturer: PORTWEST
Product tags