|We have tested our British Made Thermal Underwear in the following categories,
Warmth rating – How warm the garment is.
Warmth for weight - How much warmth the item provides, considering its weight.
Wicking rate - This shows how efficiently the top carries moisture away from the skin.
Stretch/shrink - How much each top had shrunk or stretched length-and widthways.
Appearance - After washing and drying the tops five times.