Which watch cap is warmer: 5.11 tactical (#89250) or Helikon-Tex (CZ-DOK-FL-01)?

Watch Caps: left - 5.11 tactical (#89250) and right - Helikon-tex (CZ-DOK-FL-01).
This frosty weather is the very good time for stress test of extreme clothes.
I've waited a long time for a suitable frost.
Which one of the two appeared to be warmer?

Almost the same, but Helikon-Tex (CZ-DOK-FL-01) is warmer a bit!

SAS Urban Survival Handbook: Avoid Crime, Prepare for Terrorism, Stay Safe. John 'Lofty' Wiseman

The SAS Urban Survival Guide advises readers to think practically about urban environments and offers tips and instructions on how to avoid hazards wherever one goes. From self-defense techniques to home security systems to coping with natural disasters, this book teaches readers to recognize danger, make quick decisions, and live confidently in the modern world. SAS Urban Survival Handbook Paperback edition by John "Lofty" Wiseman

Flashlight 502B LED Infrared 850nm for Night Vision Instrument

This It is a infrared night vision LED light, so the light is unseeable, only through tools or photocamera.

Model Number: 502B
Shock Resistant, Waterproof
No zoom, focal length non-adjustable
Light: 850nm, IR, Infrared
Lumen: 800, 3 core
Wattage: 5W
Body Material: Aluminum
Battery Type: 18650
Color: Black
Place of Origin: Guangdong, China (Mainland)

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Available in stores

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Инфракрасный 850нм фонарик 502B LED для прибора ночного видения