Sealskinz Underwear

Stay focused on your training without worrying about chafing. Our technical sports underwear is designed to provide total freedom of movement and a seamless, supportive fit. Whether you're hitting the trails or the gym, we've made it easy to find your new favourite first layer.

Shop our high-performing running underwear online today and save 20% when you choose one of our handy multipacks!

Our range of running underwear

We're proud to offer durable, high-spec underwear engineered for unrestricted movement. Whether you're training for a marathon or enjoying a brisk weekend walk in the hills, having a reliable base layer is essential for feeling fresh and staying chafe-free.

The Pennygate

The Pennygate is a premium seamless brief designed for running and high-intensity workouts. The lightweight, breathable fabric works to move moisture away from your skin.

With a strong focus on comfort, this quality seam-free underwear eliminates friction and rubbing, allowing for a smooth fit under any of your run clothing.

Our Pennygate women's running underwear features:

• Seamless fit: Designed to prevent chafing and irritation during movement
• Breathable fabrics: Advanced moisture-wicking technology for temperature control.
• Stretch memory: Elasticated zones that move with your body and retain their shape.

The Newton

The Newton boxer short provides the ultimate support for those who refuse to slow down.

Built for durability and comfort, our bestselling men's anti-chafe underwear includes targeted ventilation zones to boost airflow where it's needed most. The seamless design makes them the perfect choice for long-distance treks or daily workouts, keeping you comfortable from start to finish.

The Newton features:

• Ergonomic design: A supportive, 360-degree seamless fit that stays in place.
• Ventilation zones: Integrated mesh-style knit for maximum breathability.
• Soft-touch finish: Durable fibres that still feel gentle against the skin.

Why choose Sealskinz running underwear?

Using high-quality synthetic blends like nylon and elastane, we create highly effective undergarments for running. Our enhanced materials actively lift sweat away, preventing any damp or heavy feeling that can lead to skin irritation.

With a user-focused design, our bespoke material technology means you won't encounter any bulky seams that cause blisters or redness, no matter how many miles you cover.

Order sport underwear today

Finding good underwear for running has never been easier. Discover the difference that technical fabrics and seam-free designs make with Sealskinz. Expertly crafted to withstand frequent training and repeated washing, our gear is ready to work as hard as you do.

Don't forget that you can bundle your running underwear and save by choosing our multipack options. Shop the collection now and get free delivery on orders over £50. If you have any questions, please feel free to get in touch.