• Duofold thermal tops have unique two-layer construction.       • Duofold thermal tops create a thermal barrier against the cold.       • Duofold thermal tops feature soft cotton inner layer.

• Duofold thermal shirts give comfortable warmth.       • Duofold thermal shirts include a wicking waistband.       • Duofold thermal shirts have flatlock seams to avoid irritation.

Duofold: Live unconditionally. Thermal tops apparel from Duofold is made for active outdoor enthusiasts. Duofold® base layer for men, women and youth includes thermal tops and bottoms, union suits, thermal Henley’s and outdoor technical apparel. Duofold thermal tops apparel provides superior warmth with select styles carrying moisture management properties. Browse the wide range of Duofold thermal tops clothing gear: thermals, base layer thermals, long john tops, long john bottoms, long john pants, thermal shirts, thermal tops, and men's, women's and youth thermal tops clothing. Choose from the wide selection of thermal underwear with all the thermal tops products you need to stay warm and dry during outdoor sports and activities in the fall and winter months. Get set for cold weather with Duofold® Thermal Shirts Clothing. Duo Dri® from Duofold is a popular thermal shirts clothing line that provides superior moisture management in any outdoor activity. Duofold Originals/Insulayer® make an ideal thermal shirts clothing choice for outdoor warmth at lower activity levels. Snowbound™ thermal shirts apparel from Duofold offers maximum warmth and wicking during skiing, snowboarding, and other winter snow sport activities. Duofold® Sportsman thermal shirts clothing delivers outdoor warmth during hunting, fishing, hiking, backpacking, motorcycle riding, and more. Duofold Varitherm® offers maximum moisture control during a wide range of outdoor activities. The choice is yours and the options are endless! Discover comfortable, thermal shirts clothing to wear in the coldest of weather and extreme conditions. Duofold base layer is available now. Duo Dri® thermals and union suits clothing products offer great base layer warmth ideal for cold weather outdoor activities. Look cool while you stay warm and dry in union suits apparel from Duofold. Wear Duofold® Duo Dri® base layer for cold weather comfort. Duo Dri™ offers the high performance and base layer warmth you expect from Duofold, plus the fit, style, and comfort you demand from union suits clothing and outdoor sports and fitness apparel. Above all, Duo Dri™ thermals and union suits clothing apparel feature the exclusive Duo Dri® system, designed for exceptional moisture control ideal for outdoor workers, skiers, snowboarders, and for cold weather sports like jogging, walking, motorcycle riding, bike riding, snowshoeing and more. Stay warm with Duofold no matter what the outdoor sports activity. Duofold Duo Dri™ thermals, and men's, women’s and youth union suits clothing are available in several styles and sizes.

Originals/Insulayer® Thermal Tops Clothing.
In 1906, Duofold introduced the first two-layer thermal underwear and thermal tops clothing: Duofold® Originals. Today, these base layer apparel products are better than ever, offering outstanding performance for a wide range of cold weather sports and outdoor activities. The secret lies in the unique two-ply design of Duofold® thermal tops clothing - cotton next to the skin with wool and other fibers on the outside. These two layers of cold weather protection trap in your body's warmth to create a thermal barrier against the cold. You stay comfortably warm, even in the coldest conditions. Duofold® Originals/Insulayer men's, women's and youth thermal tops clothing are available in several sizes and styles.

Sportsman Union Suits Clothing.
Do you enjoy hunting, fishing, hiking, backpacking, motorcycle riding or working outdoors? Choose Duofold® Sportsman union suits clothing as your base layer of choice. These thermal shirt products from Duofold keep you warm and dry, even in cold, damp weather. Duofold® union suits clothing features odor control, full stretch, and static-free comfort. What's more are Sportsman thermals come in a wide range of weights and fabrics with performance features built in that will last the life of the garment.

Varitherm® Thermal Shirts Clothing.
When the British Royal Marines trekked to the North Pole, they wore Varitherm® thermal underwear and thermal shirts clothing. Why? Because Duofold® Varitherm® thermal shirts clothing and outdoor apparel sets the standard for high performance outdoor clothing. Varitherm® base layer, thermal underwear and thermal shirts clothing combines comfortable warmth with ultimate moisture management. They are your logical choice for cold-weather clothing and base layer thermal underwear. Varitherm® thermal shirts clothing and outdoor gear is ideal for a wide range of high-activity sports and enthusiasts including: skiing, jogging, hunting, snowboarding, outdoor workers,  and many cold weather sports. No wonder the USA Luge Olympic and USA Bobsled & Skeleton teams have chosen Varitherm® thermal underwear and thermal shirts clothing. Duofold® Varitherm® thermals are available in men's, women's and youth clothing and are available in many comfortable styles and sizes.

Base Layer | Cold Weather Clothing | Discount Ski Apparel | Long Johns | Thermal Sportsgear | Men's Thermal Sportsgear
Women's Thermal Sportsgear | Outdoor Apparel | Outdoor Clothing | Outdoor Gear | Outerwear | Performance Underwear | Thermals
Thermal Base Layer | Thermal Tops | Thermal Shirts | Union Suits | Thermal Underwear | Winter Sports Clothing | Winter Thermals