Men’s Thermal Underwear

Are you ready to stock up on warm essentials? Our collection of men’s thermal underwear is full of tops, long johns, briefs, trunks and socks made from breathable technical fabrics to beat the chill while keeping you dry and comfortable. You’ll find classic black thermals and pure white thermal underwear, as well as grey, blue and striped designs. T-shirts come in short-sleeved and long-sleeved versions, making them super versatile for wearing under our men’s shirts for all-day warmth at the office.

Our men’s thermals edit is brimming with our trademark tech, such as our clever Heatgen™ technology which uses an innovative fibre blend to help your body generate and retain heat. As you browse through our ​men’s thermal vests and boxers, look out for items marked Cool & Fresh™, designed to draw moisture away from the skin, and StayNew™ that helps your undies keep their colour and softness, wash after wash. Many of our popular pieces come in handy multi-packs of up to five items to keep you going for longer – why not gift a men’s thermal underwear set to a relative as an indulgent wintertime gift?

How warm do you need to go? We’ve got men’s underwear in medium, light and maximum warmth levels, and many pieces are also ideal for layering so you can achieve your perfect temperature. Our Heatgen™ Maximum clothing has a lovely brushback texture that feels gentle against your skin. Cuffs at the ankles help seal in your body heat. Look out, too, for other innovative features, including ultra-soft seams to prevent chafing as you go about your day.