Best Thermal Sets for Women of 2025

The SIMIYA Thermal Set offers breathability and moisture-wicking properties, ensuring you stay dry and comfortable during winter activities. Its 4-way stretch design provides excellent flexibility, allowing for a full range of motion while supporting your muscles and joints. Made from a lightweight blend of polyester and spandex, this thermal set keeps you warm without the bulk, fitting snugly like a second skin. Perfect for outdoor sports like skiing or hiking, it can also be worn as a base layer indoors for added warmth.

The DANISH ENDURANCE Thermal Set is crafted from a midweight blend of antibacterial merino wool and polyamide, ensuring you stay warm and comfortable during outdoor activities. The soft, superfine fibres provide a smooth feel against your skin, while the natural properties of merino wool help to keep you fresh and odour-free. Designed in collaboration with endurance athletes, this set has been rigorously tested for performance, making it ideal for hiking and skiing.

The TERODACO Thermal Base Layer offers exceptional warmth thanks to its enhanced thermal fabric, which is thicker yet lightweight. You will appreciate the deep neck zipper, providing excellent flexibility for venting and cooling during your outdoor activities. Moisture wicking and odour control features ensure that you stay dry and fresh, making it ideal for intense workouts. Additionally, the seamless technology minimises irritation, so you can enjoy your skiing, running, or hiking without discomfort.

The UNIQUEBELLA Thermal Underwear Set is designed with your comfort in mind. The fabric, made of 90% polyester and 10% elastane, is not only warm and soft but also highly breathable, ensuring that you stay dry and comfortable. Thanks to its 3D sweat-wicking system, you can enjoy active cooling when you sweat, helping to maintain your ideal body temperature. The innovative RETINA Ultra HD technology prevents unpleasant moisture and overheating, making it perfect for strenuous activities. You’ll appreciate the four-way elastic compression that allows for unrestricted movement, so you can focus on your performance.

The NOOYME Thermal Base Layer offers excellent comfort and functionality for outdoor activities. Its anti-bacterial and hygroscopic properties help to absorb excess heat and moisture, keeping you feeling fresh and dry. The high-density stitching creates a thermal cycling system that effectively retains body heat, making it perfect for cold weather sports. With high elasticity, you can move freely without restriction, ensuring you enjoy your activities fully. This base layer is designed to keep you warm and comfortable, whether you're hiking, cycling, or skiing.

The Roadbox Thermal Long Johns are designed to keep you warm and comfortable during the coldest days. With a micro-fleece lining, these long johns effectively trap body heat, ensuring you stay cosy. Made from a blend of polyester and spandex, the fabric provides exceptional softness and comfort. The four-way stretch design allows for a perfect fit, making it easy to wear for both relaxation and activities. Moreover, the moisture-wicking properties help keep you dry and fresh, enhancing your comfort during exercise.

The iWoo Thermal Underwear is an ultra-soft and warm base layer perfect for both lounging at home and layering under your clothes. Made from a comfy, moisture-wicking fabric, it ensures you stay warm without feeling bulky. The high elasticity allows for a snug fit that won't deform over time, catering to a wide range of body shapes and sizes. Lightweight and breathable, you'll find that you can move freely during various winter activities, whether you're running, camping, or simply walking your dog.

The DOLCE ENVY Thermal Set features an ultra-soft crew neck and long sleeves, providing a comfortable base layer for cold weather. Made from a high-quality fabric blend of 80% viscose and 20% polyester, it offers excellent moisture-wicking properties, ensuring you stay dry and warm. The lightweight design fits snugly against your body without adding bulk, making it ideal for layering under both formal and casual outfits. With a wide range of sizes available, it caters to different body shapes, ensuring a perfect fit for everyone.

The YADIFEN Thermal Set offers exceptional warmth and comfort with its fleece-lined inner layer, ensuring you stay cosy during winter. The 4-way stretch fabric allows for a perfect fit, accommodating different body shapes without any tightness. Additionally, the tailored design lets you adjust the length of the sleeves and legs to your preference, providing personalised comfort. Thanks to the non-inductive sewing process, you won’t experience irritation from redundant threads, making it a comfortable choice for all-day wear.

The Essentials Wardrobe Thermal Top is designed for comfort and warmth. Made with a soft-touch blend of polyester and elastane, it feels lightweight against your skin, making it ideal for layering. The brushed interior retains body heat, ensuring you stay insulated during colder months. With its stretchable fabric, you can enjoy a flexible fit that moves with you, whether you're working or relaxing. Additionally, the moisture-wicking properties keep you dry and fresh throughout the day, perfect for any activity.