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Lorpen Trek. Expedition Polartec Primaloft

Colour: Black/Orange
Size: S

The Lorpen Trekking Expedition Polartec Primaloft sock is their super heavy duty outdoor sock which is have been worn and tested above 8000m.

The ultimate sock has been updated to provide the true expedition experience designed for mountaineering footwear and extended cold weather. Two layers of Polartec® Power Stretch® fabric sandwiching PrimaLoft® Footwear insulation in a left and right foot anatomical shape put these socks on the cutting edge of warmth technology.

Polartec are known worldwide for their range of highly technical fabrics, Lorpen has the exclusive rights to utilise the next to skin fabrics within their fleece socks. Using both Polartec Power Dry and Polartec Power Stretch enables the socks to actively wick moisture away from your skin, dry quickly and be really comfortable on your skin.


  • 72% Polartec PowerStretch®
  • 12% Nylon
  • 10% Primaloft®
  • 4% Thermolite®
  • 2% Stretch Nylon with Lycra®


  • Over the calf design
  • Polartec technology
  • Powerstretch technology
  • Primaloft technology
  • Super heavy cushion 

Sizing (EU)

  • S / 35-37
  • M / 38-40
  • L / 41-43
  • XL / 44-46


  • Age Group: Adult
  • Cushion: Super Heavy
  • Sock Height: Over The Calf

Personal Shopping - By Appointment

Would you like to try on some climbing shoes or mountain boots for size before you make your purchase? If so, then why not book an appointment with us today! We can offer you a bespoke one-on-one shopping experience with one of our experienced staff members.

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