Best Ski Thermal Bottoms for Men of 2025

SIMIYA Thermal Bottoms are designed to keep you warm in cold weather. With a thermal fleece inner layer, these leggings trap body heat, providing excellent insulation. Their four-way stretch fabric ensures flexibility and comfort, making them ideal for daily wear and outdoor activities. The convenient fly hole design allows easy access when nature calls, enhancing your comfort, especially in public settings. Additionally, the non-inductive stitching ensures a soft feel against your skin, even after multiple washes.

The HIPOWER Thermal Long Johns are designed to keep you warm during the chilly winter months. Made from ultra-soft micro-fleece fabric, they fit snugly to minimise heat loss while remaining lightweight. The advanced 4-way stretch allows for excellent comfort and movement, making them perfect for activities like running or yoga. Additionally, their moisture-wicking properties ensure you stay dry by quickly drawing sweat away from your skin, providing you with a sense of security in cold weather.

The SIMIYA Thermal Underwear offers exceptional warmth and comfort, making it an essential addition to your winter wardrobe. Lined with soft fleece, these long johns capture body heat effectively, ensuring your legs stay cosy without bulk. The sweat-wicking feature keeps you dry during outdoor activities, so you can enjoy a workout even on the coldest days. Additionally, the super elastic fabric allows for unrestricted movement, while the comfy ribbed waistband ensures a secure fit. These thermal bottoms are perfect for both indoor and outdoor wear.

The Gaffer Thermal Long Johns are designed to keep you warm during chilly winter days. With a TOG rating that helps retain heat close to your skin, you can enjoy outdoor activities without feeling the cold. The comfort fit and ribbed construction ensure that these thermals shape to your body, providing maximum comfort. Additionally, the soft brushed inner made from advanced insulating yarn offers high-performance insulation, perfect for winter sports or simply staying cosy at home.

The SIMIYA Thermal Long Johns offer exceptional fleece-lined comfort, ensuring you stay warm and cosy throughout the day. The unique free cutting design allows you to customise the leg length to your preference, providing a perfect fit. With double thickness knee fabrics, you can enjoy extra protection against the cold, making them ideal for outdoor activities like hiking and skiing. The 4-way stretch technology ensures you have complete freedom of movement, whether at the gym or relaxing at home.

The Gaffer Thermal Bottoms are crafted from a premium blend of 50% polyester and 50% cotton, ensuring a stylish yet comfortable fit. The brushed cotton interior adds a layer of softness, making these long johns perfect for keeping warm during winter activities. As they are machine washable, you can easily maintain their cleanliness and freshness. Suitable for a range of outdoor activities, including travel, camping, and skiing, these trousers provide the versatility and warmth you need for any cold-weather adventure.

INNERSY Thermal Long Johns provide a lightweight and snug fit, ensuring you stay warm during winter activities. The practical open fly adds convenience, allowing you to move easily while keeping warm. These thermal bottoms are perfect for both indoor and outdoor wear, making them suitable for cycling, skiing, or even lounging at home. With their high elasticity, they offer maximum freedom of movement, so you can enjoy your sports without feeling restricted.

The Gaffer Thermal Bottoms are designed to keep you warm on the coldest winter days. Their soft, stretchy fabric offers a snug fit while allowing you to move freely, making them ideal for outdoor activities. With moisture-wicking properties, these bottoms effectively draw sweat away from your skin, ensuring you stay dry and comfortable during physical exertion. They are perfect for layering under ski pants or winter gear, adding warmth without bulk for your winter adventures.

MEETWEE Thermal Leggings are designed to keep you warm and comfortable during winter activities. The windproof and thermal fabric helps lock in heat, making them ideal for outdoor sports. With exceptional elasticity, these leggings provide freedom of movement while preventing muscle strain, perfect for when you’re exercising. Additionally, the moisture-wicking properties ensure you stay dry and odour-free, allowing for a pleasant experience whether you're at the gym or out for a run.

The HYCOPROT Thermal Leggings are designed to keep you warm during winter activities. With a windproof exterior and soft fleece lining, they provide excellent insulation, making them perfect for outdoor adventures. The 4-way stretch fabric ensures a snug fit, allowing you to move freely whether you're at the gym or home. Additionally, the leggings offer muscle support and prevent strain, so you can remain active without discomfort. Lastly, their moisture-wicking properties keep sweat away from your skin, ensuring you stay dry and comfortable throughout your day.