Silver Footwear, Shoes and Boots Design · 2021
XpreSole Panto Rainboots
by Wilson Hsu
- A' Design Award 2021 Silver Winner in Footwear, Shoes and Boots Design
- Awarded April 15, 2021
- CLIENT: Ccilu International Inc.
- Estimated Number of Design Views: 55,275
- Verification code 5720E9DC37 · Verify this award
About XpreSole Panto Rainboots
XpreSole Panto an ecofriendly spent coffee grounds reused and ultra lightweight rainboot. One pair of boots makes from 15 cups of spent coffee grounds, a massive source of greenhouse gases when they are landfilled. With the circular economy in mind. It upcycles spent coffee ground as the major component. The innovative process covers a pair of boots lifecycles closely associated with community engagements from material harvest to reuse. With the innovative coating technology, XpreSole Panto designs as a rain boot based on a balancing act of sustainability and functionality.
Within the evolving landscape of contemporary footwear design, Wilson Hsu's XpreSole Panto Rainboots represent a thoughtful meditation on the convergence of functional necessity and aesthetic refinement. The collection, presented here in four carefully orchestrated colorways, demonstrates how utilitarian rain protection need not sacrifice visual sophistication for practical performance. Each boot's silhouette speaks to a heritage of classic chukka and desert boot forms while introducing material innovations that address modern environmental consciousness and all-weather versatility. The designer appears to have drawn upon minimalist design principles, reducing ornamental elements to essential functional components—the lacing system, the protective collar, the supportive sole—while allowing material quality and proportional harmony to carry the visual narrative. The chromatic range offered moves from versatile neutral cream through sophisticated earth tones to essential dark shades, suggesting awareness of diverse wardrobe needs and personal style expressions. Technical accomplishment manifests in the seamless upper construction, which eliminates visible seaming that might compromise waterproof integrity while achieving a sculptural cleanliness that elevates the boot beyond mere protective gear. The deliberate contrast between upper and sole colorations demonstrates nuanced understanding of visual weight distribution and how color relationships affect perceived proportion. One observes in these boots a design philosophy that honors the wearer's intelligence—assuming they desire protection from elements without abandoning aesthetic standards or environmental responsibility. How might such objects, positioned at the intersection of daily utility and considered design, reshape expectations for functional footwear categories?
Press Kit
- Unique Properties
- XpreSole Panto an ecofriendly SCGs reused and ultra-lightweight rainboot!
One pair of XpreSole Panto makes from 15 cups of Spent Coffee Grounds (SCGs), a massive source of greenhouse gases when they are landfilled. With the circular economy in mind Panto upcycles SCGs as the major component of the boots. Our innovative process covers a pair of boot lifecycles closely associated with community engagements from material harvest to reuse. - Dimensions & Packaging
- For Man's US 9: 11 mm x 29.5 mm x 10 mm for one foot.
Shell: Waterproof; made from a special XpreSole compound containing spent coffee grounds and the best quality and super lightweight EVA.
Lining: XpreSole knitted fabric containing coffee yarn and polyester.
Outsole: Made from a special XpreSole compound containing spent coffee grounds with EVA, covered by high-performance Rubber pads. - Tags
- sustainability, recycle, reuse, upcycle, circular economy, re-purpose, Global warming, climate change, Eco-friendly, Ccilu, XpreSole, lightweight, rainboot
- Production Technology
- Ccilu upcycles the SCGs and makes them into coffee yarns used in the bootie and the sock-liner. Ccilu fuses and foams the SCGs with polyurethane and forms the insole. Ccilu hybrids the SCGs and ethylene-vinyl-acetate and molds the upper shell and the outsole. The upper shell and the bootie perform double insurances of water and dirt proof. The bootie also offers moisture-wicking, odor/mildew-control, and soft-touch to foot skin. The boot has a modern outlook and a fresh coffee smell. Users associate and engage with the coffee culture, the corresponding product design, and the real experiences of circular economy.
- Design Challenge
- XpreSole Panto is the only boot in the world that can be machine-washed up to 100 times.
Other boots are heavy, ugly, smelly, and impossible to be cleaned soundly. However, it adopts high-tech coffee fabrics and composites, while pursuing a modern and progressing design concept, one-third the weight of a traditional rainboot, and carries a fresh coffee smell all the time. The upper shell plus the bootie is 100% water and dirt-proof, while the bootie and the sock-liner are moisture-wicking, fast-drying, and odor/mildew control, furthermore, the outsole is waterproof, responsive, resilient, supportive, and great grip. - Project Duration
- The project started in May 2018 in Taiwan and finished in September 2020 in Taiwan, and planned to go to market in Q2 2021.
- Operation Flow
- People have loved coffee for centuries ago. However, the spent coffee grounds emit greenhouse gases, for example, carbon dioxide and methane, when they are landfilled. Ccilu uses design driven and innovative technologies to upcycle the spent coffee ground and turn them into the most lightweight, machine washable, and sustainably made boots for all occasions while increasing awareness of people and acknowledgment of the circular economy. There are many coffee makers and coffee consumers in the world and able to join our efforts and make it a global and long term movement for the industry and for the mother earth.
- Research
- In the past, the industry was simply able to upcycle the SCGs and turn them into fabrics. With the innovations, Ccilu further upcycles the SCGs and turns them into all the other parts of the boots. The tech increases the usage of the SCGs (15 cups of the SCGs for a pair of XpreSole Panto) and makes every major component of the boots come from the SCGs. The coffee story draws genuine interest from the users who play the most critical roles in social movements and the circular economy. XpreSole Panto supports Ccilu to pursue its vision which is to develop the first carbon-neutral footwear by the end of 2021.
- Inspiration
- The world consumes 850 billion cups of coffee and generated 25 billion KGs of spent coffee grounds (SCGs) every year. Simply 4% of the SCGs are properly recycled. The others mostly end up in the landfills and emit Carbon-Dioxide and Methane which are the two major greenhouse gases. People love coffee but the SCGs bring negative impacts on our mother earth. Ccilu developed the solutions of upcycling the hazardous wastes and turning them into every major component of XpreSole Panto boots.
- Image Credits
- Image #No1,2,3,4,5: Photographer / Illustrator / Creator (Joseph Chang/Ccilu international Inc.)
Colors of XpreSole Panto Rainboots
Get XpreSole Panto Rainboots
Grand Interview about XpreSole Panto Rainboots
We saw the massive waste impact of 25 billion kg of spent coffee grounds annually and decided to transform a global problem into a scalable material solution. Instead of just using coffee fabric like others, we developed XpreSole® technology to turn coffee into every major layer of the boot. Each pair upcycles 15 cups of coffee waste. Our goal was not just sustainability — but proof that waste can outperform virgin materials.
We engineered a dual-layer system: the outer shell provides full waterproof protection while the inner bootie uses coffee yarns for breathability and odor control. Each layer is optimized for its own performance role rather than forcing one material to do everything. This allowed us to achieve waterproofing, structural integrity, and comfort simultaneously — while staying ultra-lightweight.
We intentionally designed the boots to be foamless on the inside, preventing water absorption and deterioration during washing. The coffee-infused materials are naturally antimicrobial and hydrophobic. After over 100 accelerated machine wash cycles, the boots showed no performance loss — setting a new benchmark for long-life sustainable footwear.
We wanted sustainability to be emotionally desirable — not just responsible. The natural coffee aroma reinforces authenticity, and the modern minimalist design makes the boot wearable beyond rainy days. By optimizing material density and removing every unnecessary gram, we achieved one-third the weight of traditional rainboots.
We collect spent coffee grounds directly from local cafés, turning everyday waste into valuable material — creating immediate community impact. This collaboration increases public awareness and participation in circular economy behavior. People don’t just buy the product — they feel part of a movement.
Our key breakthrough was not just mixing coffee with EVA — but controlling particle size, bonding consistency, and compounding ratios to retain both structure and flexibility. The result is a material that is waterproof, lightweight, responsive, and low-impact. It behaves like high-performance EVA — but is made from upcycled waste.
Our technology is designed for global scalability — because coffee waste exists everywhere. The formula works across multiple product categories beyond rainboots. Our long-term vision is to build an entire material platform that can eliminate coffee ground waste at industrial scale.
One pivotal moment was when we discovered that coffee compounds could not only replace fabric — but also structural parts like outsole and shell. That shifted the vision from partial sustainability to full-material integration. It allowed us to design a complete ecosystem, not just a “green feature.”
This project reinforced our belief that sustainability must be performance-driven and commercially viable — not optional or decorative. It accelerated our roadmap toward fully carbon-neutral footwear solutions. We now see circular design not as a trend — but the foundation of all future product creation.
We engineered the coffee yarn bootie and sock-liner to actively manage moisture, odor, and long-wear comfort using natural antimicrobial properties of coffee. Meanwhile, the shell maintains waterproof protection externally. This layered architecture ensures both technical performance and day-long urban comfort — without compromise.