Any effective thermal wear system starts with a performance layer next to the skin. The Heat Holders® Microfleece Base Layer Long Sleeve Top is made with a specially developed lightweight microfleece that has an excellent weight to heat ratio, a highly breathable construction and, flat, non-chafing seams and multi-dimensional stretch, making it very versatile.

The top has a quarter zip collar, with a protective chin guard that enables venting as well as heat retention. Heat Holders® Microfleece Base Layer Long Sleeve Tops are TOG (Thermal Overall Grade) rated to 0.61 so you can be sure you will be warm.
 
Available in Black

95% Polyester 5% Elastane
1 Pack
0.61 TOG rated
1/4 zip neck
Multi-dimensional stretch
Machine washable at 40˚