Factor 1 Base
These base layers are manufactured using patterns based on the Meraklon range. They should be worn snugly but not restrictive. Unisex leggings (no Fly) are only produced currently in this range.
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Sub Zero Factor 1 Long Sleeve Unisex Base Layers
Sub Zero Factor 1 Long Sleeve Unisex Base Layers are manufactured from tubular 100% polyamide fabric that eliminates the need for side seams on standard base layer sizes. If you require petite thermal underwear for women (XS) or plus size thermal underwear (XXL+) then the fabric has to be opened out and cut from different patterns. This means that flat side seams will be present. All of our Factor 1 base layers have extra generous body lengths giving you a decent amount of fabric to tuck in to your trousers. This prevents lower back exposure when you bend over to tie your shoe laces or look for something in your backpack.
The shoulders on these lightweight base layers are closed using flat seam stitching to eliminate chaffing when wearing a harness or carrying a rucksack. The sleeves are constructed so they are set in to the body of the base layer, providing a much better fit round the armpits and the shoulders, maximising insulation and moisture transportation (wicking). The cuff on the base layer sleeves is formed from doubled over polyamide fabric to provide extra protection for the wrist and to help prevent the loss of trapped warm air. The round neck has been designed so that it stretches when placed over your head and its low profile also means it is not prominent when worn under clothing.
Sub Zero Factor 1 long sleeve base layers are one of the best lightweight thermal underwear ranges for general outdoor use. The simple design makes them compatible with most sports where you need to keep warm and dry, and the unisex style and in built stretch allows a snug fit to most body shapes. These base layers cross over in to anything from, skiing, through to hiking and camping, and can be used in combination with the Sub Zero Factor 2 thermal mid layers for extra warmth in extreme conditions.
Made in: England
Sun protection factor: 50+
TOG rating: 0.42
Fabric: 100% Polyamide
Average weight: 145g / 5.1oz
Fit: Unisex snug
Layer: First - next to the skin
Size availability: XSmall-2XLarge
Colours: Black, White, Khaki, Cobalt blue
Fabric treatments: Hydrophilic impregnated
Washing instructions: 40°C wash with mild detergent, do not tumble dry, iron on low setting
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