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Transforming a Shoulder Bag Into a Hip Seat—Hugoo's Philosophy for Freer Outings with Kids

2026.09.09
The "Hugoo Dual HipSeat" from "Hugoo," a product combining the features of a bag and a hip seat, is gaining quiet popularity among parents devoted to raising their children. However, the creation of this unique product came from an unexpected team with zero experience in apparel or bag manufacturing.
Why did Yasuhiro Yamamoto, representative of GRIT Inc., question existing parenting gear and embark on developing a new product? In this article, we interviewed him about the background of its development and the design philosophy that delivers both "safety" and "design."

PROFILE

Yasuhiro Yamamoto

CEO, GRIT Inc.

After working at an advertising agency, he founded GRIT Inc. He runs a creative studio specializing in brand and service planning and production, handling everything seamlessly from product development to branding, design, and marketing. Centered around flagship brand Hugoo, the company develops products and services that combine functionality and design while staying close to consumers' everyday lives. Highly acclaimed both in Japan and abroad, his work has won numerous design awards, including the Good Design Award (Japan), iF Design Award (Germany), Kids Design Award (Japan), MUSE Design Award (US), and London Design Award (UK).

Challenging Unisex Parenting Gear: Born from a Sense of Discomfort with "Diaper Bags"

In 2022, while preparing for the birth of his first child, Yamamoto felt a strong sense of discomfort while searching for parenting products. The market was flooded almost exclusively with feminine, cute designs. As a father, he could barely find anything he actually wanted to carry.
In particular, he felt the term "mothers' bag" symbolized a rigid societal mindset that "childcare is a woman's job."
"I felt there was a deep-rooted assumption that women naturally carry these bags, so I wanted to change that fundamental perception," Yamamoto recalls.
He wanted to create parenting gear that anyone could use naturally, regardless of gender. That desire became the starting point for the brand Hugoo.
The turning point came by chance. One day, he spotted a former colleague—and fellow dad—walking along with his child perched casually on an outdoor brand's shoulder bag. While waist-worn hip seats designed to assist in carrying children already existed, his colleague preferred a shoulder bag that allowed him to scoop up his child in an instant.
"Seeing that, we thought, 'Wouldn't it be great if something like this actually existed?' It was just a casual conversation, but that's what sparked the development," says Yamamoto.
This casual everyday moment led to the creation of a new product that broke the traditional mold of hip seats. It was a departure from bulky waist-pack designs—an answer to parents' heartfelt need for something that makes quick, convenient carrying effortless.
Hugoo Dual HipSeat (Black) 13,300 yen (tax included)

At the Intersection of Safety and Style: Unconventional Engineering Made Possible by Apparel Outsiders

Though the idea was born, the road to commercialization was far from smooth. In fusing the two distinct roles of a shoulder bag and a hip seat into one, the biggest obstacle was balancing safety and design aesthetics.
Since it carries a child, safety was paramount. Yet, the more safety was pursued, the bulkier and more rugged the product looked. A sleek design versus the durability to support a child's weight—how to make both coexist was the core challenge of development.
"I wanted to create a product that stood right at the intersection of design and functionality. Not just function, not just design. Achieving both simultaneously was the hardest part," says Yamamoto.
Designed to be easy to use regardless of gender, age, or body type. A shoulder bag that instantly functions as a hip seat whenever carrying your child is needed.
The team that tackled this difficult challenge, including Yamamoto, had zero experience in manufacturing apparel or bags. Their background was in advertising. Precisely because of this, they weren't bound by industry conventions.
"If we had been an apparel company, we probably would never have thought to turn a shoulder bag into a hip seat in the first place. Looking back, not having expert knowledge might actually have been a blessing in disguise."
They took a thoroughly user-first perspective, engaging in endless trial and error. They remade samples repeatedly until they were completely satisfied, taking about one to two years in development. From the stitching on load-bearing areas to buckle strength and belt thickness, they continuously sought the optimal balance between design and safety through repeated user testing.
Equipped with a uniquely developed load-dispersing shoulder pad to gently distribute the strain of carrying a child
Wide and sturdy buckles are located on both sides so the bag can be worn over either shoulder.
The cushion seat is split down the middle, flexing comfortably to cup the child's bottom while enhancing breathability.

Never "Just Ship and Forget": A Product Nurtured by User Feedback and Architectural Philosophy

At Hugoo, product creation doesn't end once an item is launched. In fact, that's where the real journey begins. This philosophy stems from their background in web services, where continuous improvement after release is standard practice.
The biggest driving force behind growing the product is user feedback. Yamamoto personally reads through all the thousands of reviews submitted to their e-commerce site and interviews around ten users every month. Based on this feedback, they have rolled out continuous updates, such as refining the shape of the shoulder pads and adding non-slip features.
To guarantee safety and durability, they opted for CORDURA® nylon—a material with a proven track record in outdoor gear—despite its higher cost. Thoughtful details for the user shine throughout, such as a bright lining to make items inside the bag easily visible and longer zipper pulls for easy opening and closing even while holding a child.
Clever features like mesh pockets and a wet-wipe pocket make it easy to reach inside. This single bag holds everything you need for an outing.
"It's not just about aesthetics—it's about lifting your mood as you use it, or lowering the hurdle to going out. We believe a good design is one that brings about positive changes in a customer's feelings and actions."
This vision is spreading in unexpected ways. An increasing number of grandparents—a demographic not initially anticipated—are buying the product to carry their grandchildren. Many users also report using the same bag for their second child years after using it for their first. Hugoo stands alongside many families as a long-lasting product that transcends generations and gender.

Aiming to Become One of the "Three Essential Parenting Tools": Hugoo's Vision for the Future of Childcare

Yamamoto predicts that hip seats will become an absolute essential for parenting in the near future.
"I feel like hip seats are becoming the third essential option, right alongside strollers and baby carriers. Having these three options available makes outings with children up to three or four years old significantly easier."
This is the stage when toddlers start walking, constantly alternating between wanting to be carried and demanding to walk on their own. Hip seats respond functionally and stylishly to this "in-between need" that neither strollers nor traditional baby carriers can fully address. Since parents need a bag to carry belongings anyway, combining it with carrying support drastically reduces both physical and psychological strain on parents.
Hugoo isn't aiming for a product that ends as a passing fad. Incorporating a "design of subtraction" inspired by architecture and interior design, the brand seeks to create timeless, universally loved products. It is a practical application of design thinking aimed at dismantling the outdated social notion that "childcare is women's work" and enriching the lives of everyone involved in raising children.
Through ongoing dialogue with users and by integrating insights from various fields, the product will undoubtedly continue to "grow" alongside society.

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