Products

What we use

Woman relaxing in a sauna, embracing wellness and longevity.
Sauna Textiles

Merino Wool Sauna Dress

The merino alternative to nothing. The Sauna Dress drapes softly across the body — breathable, non-restrictive, and comfortable enough to forget you’re wearing it.
A woman in a relaxed pose wearing dark, comfortable clothing suitable for wellness and recovery activities at Sisu Longevity…
Sauna Textiles

Merino Wool Sauna Cami

The Sauna Dress, distilled. The Sauna Cami carries the same fluid drape and natural softness in a versatile camisole silhouette — worn alone, layered under the Convertible Wrap, or paired with the Shorties for a sleep or loungewear set.
Person wearing comfortable gray shorts for wellness activities.
Sauna Textiles

Merino Wool Sauna Shorties

Underwear, only better. The Sauna Shorties are a soft, flowing alternative to underwear — worn on their own, under the Sauna Dress, or as part of a sleep or post-sauna ritual.
Person sitting in a sauna, embodying wellness and inner strength.
Sauna Textiles

Merino Wool Sauna Beanie

The original sauna hat, refined. The Sauna Beanie protects your hair from heat damage while helping your body regulate temperature through the ritual.
bathsuit
Sauna Textiles

Merino Wool Sauna Bath Suit

A modern nod to the classic wool bathing suit—vintage charm, without the itch.
Person in athletic attire embodying energy and resilience.
Sauna Textiles

Merino Wool Sauna Tank

Stripped back, nothing missing. The Sauna Tank is a minimalist essential with a clean cut and soft next-to-skin feel — worn alone in the sauna, layered after, or anywhere in between.
Person wearing casual workout attire, embodying wellness and energy in a relaxed environment.
Sauna Textiles

Men’s Merino Wool Sauna Shorts

The sauna trunk, reimagined in merino. Built for the full ritual — heat, cold, and everything in between.
Woman embodying vitality and energy in a wellness-focused setting.
Sauna Textiles

2-Piece Sauna Top

Stripped back, nothing missing. A double-layer merino crop top that moves with you from heat to cold plunge to stillness — supportive without being restrictive, and soft enough to forget you’re wearing it.
Person in athletic wear representing energy and wellness.
Sauna Textiles

2-Piece Sauna Bottoms

Made for the bench, the plunge, and everything after.
Book cover of "The Comfort Crisis" by Michael Easter, featuring an open door to a snowy mountain, relevant to themes of resi…
Books

The Comfort Crisis: Embrace Discomfort To Reclaim Your Wild, Happy, Healthy Self

Discover the evolutionary mind and body benefits of living at the edges of your comfort zone and reconnecting with the wild—from the New York Times bestselling author of Scarcity Brain.
Cover of the book "Why We Sleep" by Matthew Walker, highlighting the benefits of understanding sleep for wellness and recove…
Books

Why We Sleep: Unlocking the Power of Sleep and Dreams

A New York Times bestseller and international sensation, this “stimulating and important book” (Financial Times) is a fascinating dive into the purpose and power of slumber.
Books

Winter Swimming: The Nordic Way Towards a Healthier and Happier Life

A beautifully illustrated exploration of cold-water traditions in Scandinavia and around the world, and a thorough account of why it provides such a boost to body and soul.
Cover of the book "Outlive: The Science & Art of Longevity" by Peter Attia, MD, focusing on living better longer.
Books

Outlive: The Science and Art of Longevity

Wouldn’t you like to live longer? And better? In this operating manual for longevity, Dr. Peter Attia draws on the latest science to deliver innovative nutritional interventions, techniques for optimizing exercise and sleep, and tools for addressing emotional and mental health.
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Books

Outlive — Peter Attia

The science and art of longevity. The book that frames everything we do.