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Factor 1 Base Layers

The multiple award winning Sub Zero Factor 1 base layers are snug fitting with plenty of stretch (100%) which makes them feel as comfortable as a second skin and allows for a close comfortable fit for most body shapes. This unisex base layer thermal underwear range is manufactured from super soft 100% polyamide, with a super efficient hydrophilic finish impregnated in to the yarn during the dyeing process, resulting in perspiration being quickly wicked away to the fabrics outer face, leaving your skin feeling warm and dry. As well as being lighter than polyester and much stronger, polyamide yarn is also more hostile to bacterial growth, enabling you to wear the base layers for longer. If you do need to wash it then it can be machine washed and will dry quickly on the line.

With the design of the Sub Zero Factor 1 base layers concentrating on functionality rather than fashion, it is one of the best lightweight thermal underwear ranges for any outdoor sports where you need to keep warm and dry. Its flexibility means it can cross over from hiking through to rowing, canoeing, running and skiing. If you require thermal underwear for extreme cold weather then use the Factor 1 base layers underneath our Factor 2 range of thermal mid layer underwear.

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