The only choice for Ultimate Thermal Performance. Whether at work, rest or play our Heat Holders® Thermal Long Sleeved T-Shirts will keep you nice and toasty. Heat Holders® thermal construction holds more warm air close to the skin, keeping you warmer for longer!

They are rated at TOG 0.39. What does 'TOG RATING' mean? TOG is a recognized measure of a textile's thermal ability. Simply put, the higher the TOG rating, the better a product is able to keep you warm.
 
Available in Charcoal & White

63% Modal 35% Polyamide 2% Elastane
1 Pack
0.39 TOG rating
Ribbed construction to shape the body