Heat Bods

Ultimate thermal wear and socks for winter. Extra soft, warm, and comfortable.


Looped cushion pile maximises the amount of warm air held in each sock.


Works with your body to retain warmth close to the body, whilst still being breathable.


Luxurious brushed lining in our thermal wear that retains warmth and softness close to your skin.

HEAT BODS: The best thermal base layers for winter

Add warmth and comfort to your stylish winter clothing with Underworks Heat Bods range of thermal base layers. At Underworks, we share your endeavour to feel cosy and warm when the cold season comes.

We at Underworks have been designing, developing, and innovating our products since 1999, considering our customers' needs in terms of quality and price.

Value and Price:

Doing the right thing for our customers, the planet, and each other is at the heart of our brand. From Heat Bods thermal socks, vests, shirts, and long-sleeves, to long johns, they are made with top-quality materials.

Each product is specially designed to give you an additional layer of warmth yet extra soft, fleecy, and stretchable so you can have the freedom to move around without any feeling of bulk or discomfort. With millions of thermal clothing sold worldwide, we’re determined to continue making thermal socks and undergarments we think are the comfiest and the best value on the planet.

HEAT BODS Exceptional Features:

  • Super stretch fabric that contours the body, allowing you to move freely, and hides perfectly underneath your mid and outer winter clothing
  • The super soft blend of thermal fibres for extra warmth without the bulk
  • Brushed cotton inner layer for extra softness on the skin
  • Certified TOG-rated socks ranging from 2.2 to 2.4

Heat Bods for Women

Stay warm, comfy, and in style with our Women's Heat Bods thermal base layers - specially designed with your comfort in mind. Heat Bods are the best thermal underwear to keep you from feeling cold this winter. Perfect for layering without the bulk! Choose the best base layers underneath your stylish winter clothing.

Get the best match for your beautiful winter boots with our most comfortable Women’s Heat Bods thermal socks.

Heat Bods for Men

Work, ski, camp, or stay at home feeling warmer than ever before with Heat Bods Men’s Thermal Base Layers. From thermal long johns, long sleeves, and shirts, to thermal socks, Underworks got you covered.

Heat Bods for Baby

Keep your tiny ones' toes from feeling cold with Heat Bods Thermal Socks for Baby. Extra soft, thermal insulated socks that are perfect for keeping your baby extra warm and comfortable throughout winter.

Heat Bods for Kids

Give your kids the warmth they need during the cold season with Heat Bods Kids Thermal long sleeves. Add a dash of fun as you keep their feet warm with our stylish cartoon-themed thermal socks.