Katherine Schwarzenegger is stepping into summer with a new brand partnership built around keeping her family comfortable and protected in the sun. The author and lifestyle influencer has teamed up with Tied Sunwear, a clothing line designed around UPF 50+ protection. She’s pitching it as a warm-weather essential for any parent who wants to spend more time outside.
Schwarzenegger shared the collaboration on Instagram with a simple, personal note: “Now that the weather is warming up, I want to be outside as much as possible with the kids and @tiedsunwear makes that so much easier. UPF 50+ clothing that actually looks chic.”
Tied Sunwear positions itself at the crossroads of function and fashion. UPF 50+ fabric blocks over 98 percent of UV rays, which is a significant jump in protection compared to a standard cotton shirt. The brand’s pitch is that you don’t have to choose between coverage and looking put-together. Schwarzenegger’s endorsement leans into exactly that.
The partnership is a natural fit for her. She’s spent years building a public presence around parenting, wellness, and lifestyle content. Outdoor family time is very much on-brand. She’s married to Chris Pratt, and the two have young children at home. Finding gear that actually holds up to a full summer outside is a real-life consideration for them.
Sun protection has been having a quiet cultural moment. Dermatologists have spent years pushing back on the idea that tanning equals health. Younger parents in particular have become more focused on UV protection for their kids. Brands that make sun-safe clothing feel stylish rather than clinical have found a ready audience. Endorsements in this space tend to land best with a credible, relatable voice. Schwarzenegger fits that description well.
The caption itself is warm and unpretentious. It reads like something she’d text a friend. That kind of low-key, personal framing tends to hold up better with audiences than a heavily produced pitch. Readers notice.
The paid nature of the partnership is fully disclosed via the #TiedSunwearPartner tag in the caption. Transparent disclosure has become standard practice. Audiences in 2026 are quick to notice when it’s absent.
This fits neatly into her broader creative and lifestyle work. Schwarzenegger has written multiple books, including “The Gift of Forgiveness,” as well as a well-received children’s book series. She also hosts a podcast centered on wellness and personal growth. A collaboration with sun-safe clothing lands comfortably within that world.
The timing is smart. June is the moment to introduce summer-specific products. Families are planning outdoor time and school schedules are wrapping up. Tied Sunwear gets its best visibility window right now.
Whether this stays a one-off or grows into an extended partnership isn’t clear yet. For now, it’s a comfortable match. Schwarzenegger is promoting something that genuinely reflects her lifestyle, and Tied Sunwear gets a credible, well-liked face in front of an audience that values both style and practicality.

