Men's Long Johns

Searching for the ideal thermal underwear to keep you warm during cold weather? Our classic Long Johns are tailored for men, providing the perfect base layer at home or out and about. Originally created for Nordic skiers, these thermal pants are designed for both outdoor activities and cozy days at home. Made from fine jersey cotton with a hint of elastane, they ensure a stretchable and comfortable fit that lasts wash after wash.

These Long Johns come in a variety of sizes, from XS to XXL, and are available in multiple colors to suit your style. Premium, breathable cotton with a touch of elastane ensures durability and ulmtimate comfort. The snug fit around the legs make them ideal for layering under clothing or wearing solo at home. With a focus on warmth, style, and function, our Long Johns are essential thermal underwear. Add a t-shirt, short or long-sleeves to complete your look.

Ron Dorff elevates the traditional Long John's upgraded with a contemporary design. Featuring a tailored fit, these Long Johns are made for men who appreciate style and performance. The addition of elastane gives the fabric just the right amount of stretch, while the cotton ensures softness and breathability. These Long Johns are perfect for all sports activities or simply relaxing at home. Available in a range of sizes and colors, they are the perfect addition to your wardrobe. Discover our men's pajamas and our men's loungewear collection, designed to be worn season after season.

Why do they call them long johns?

The term "long johns" likely comes from 19th-century boxer John L. Sullivan, who wore long underwear during matches. These undergarments were created for warmth and flexibility, making them ideal for cold weather activities. Today, long johns refer to two-piece thermal underwear sets that cover the legs and torso, designed to keep you warm in cold conditions.

What's the difference between thermals and long johns?

Thermals refer to all types of clothing designed to retain heat, including tops, bottoms, and full-body suits made from fabrics like cotton, polyester, and wool blends. Long johns, however, specifically refer to the pant of a thermal underwear set. While long johns are a type of thermal underwear, thermals can include long-sleeve tops or even full sets designed for head-to-toe warmth in cold weather.