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CLO value is a unit of thermal resistance that describes the degree of insulation provided by an article of clothing
The thermal performance of the insulation increases with the CLO value meaning the higher the CLO value, the better the insulation.
Heatultra is at least 1.5 times better CLO performance than it’s nearest competitors.
Our must have 5 in one Headwarmer, multiple ways to wear. Ideal for wearing in cold climates.
I bought the thermal crew neck and trousers to wear whilst playing golf and for going on walks to keep warm. The fitting of the clothing is perfect, certainly does the job of keeping you warm! I would highly recommend!
Never used one before - game changer
Delighted with this. Got it on the off chance that it would work. It’s the best thing I bought. Keeps me warm on those cold days outside on the rugby pitch
Snug and Cosy
Order so that it’s tight. Fits great, very comfortable and most of all very WARM!
Very comfy leggings. I wear them to work, as I’m outside and they have kept me warm since the day I got them!
Thermal crew neck
"I wear thermal’s for golf through the winter, over the years I’ve tried many brands. Heat ultra is by far the warmest under layer, the fit also is great.
I’ve recommended to all."