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Spire Health Tag

Available in  Stores

My Role

Industrial Design

Market Research

User Testing

Material Selection

Sensor Design

Who I worked with

Electrical Engineer

Mechanical Engineer

Data Scientist

Project Manager

Head of Operations

Factory Managers

Tooling Suppliers

What is Spire?
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Clipped on the waist or bra, Spire has the only wearable on the market that can accurately measure breathing patterns, giving the ability to track levels of stress throughout the day and offer real-time actions toward improving health.

Improving on the current product

With no real precedent, this project was really exciting and demanded equal amounts of creativity and logic. These are my favorite types of projects. We had to approach it from all angles: sensors, comfort, engineering constraints, attachment; and narrow down to a single solution for them all.

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Divergent Thinking

I created a big map of every potential attachment solution. We did tear-downs of products such as Tile, Fitbit, Lumo, and Xiaomi to understand them in and out.

Lifecycle Planning

Considering early on every concern a new user may have was crucial to creating a wearable with no precedent. We conducted Sprints for each part of the design process so everyone would be on the same page. We quickly realized a difficult challenge came with how to make on-boarding easy when having to apply so many devices.

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Exploring several clip, magnet, and pin designs led us to adhesive as having the ideal relationship between removability and permanence. Our solution needed to address concerns for damaging clothing, be easy as pie to put on, but not too easy for users would be tempted to remove them.

Form and Size

Sticking devices on coworkers and their friends helped to converge on thickness, form variations, and manufacturing methods so we could set dimensional restrictions for the Electrical Engineering team. 

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Conforming to the body
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Allowing a bend between the battery and PCB was key in maximizing volume for internal components and in being comfortable along the curvature of the body. 

The Stack-up

Several sensors had to work in harmony together, most importantly the PPG and Force Sensor. We implemented several testing procedures on our assembly line in Shenzhen to assure the readings were coming out reliably.

Human-Device Interface

Printing many iterations of the top curve, we narrowed on a configuration that balanced comfort with aesthetics. Fabric proved an ideal match for our requirements since it is successfully used for extended skin contact. Microfiber allowed easy die-cutting without concern for fraying on the edge and could withstand our durability requirements.

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Final Internals
The Spire Health Tag
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Apple Store Packaging

I developed the envelope insert and contributed to initial concepts and photography.

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