When you layer up for extreme conditions, remember that an effective base layer needs to reliably retain warmth next to the skin. This men’s Heat Holders Microfleece Base Layer Long Sleeve Top is tested for a 0.61 TOG rating, made from specially developed lightweight microfleece with an excellent weight to heat ratio. The selected fabric is also highly breathable with multi-dimensional stretch for good fit and freedom of movement.

This long sleeved top has a 1/4 zip neck and collar, with a protective chin guard that enables venting as well as heat retention. With Heat Holders’ expertise in thermal wear, you can be certain with this Microfleece Base Layer Long Sleeve Tops at the heart of your layering system, you’ll stay warm no matter what the environment throws at you.