# Repurposed Coffee Sportswear Virus 'Stay Warm' Line Transform Java Grinds Into Athletic Gear By Matt Ho | Published 2012-01-31 | Lifestyle Source: Trend Hunter, https://www.trendhunter.com/trends/virus-stay-warm-line References: [gizmag](http://www.gizmag.com/virus-stay-warm-base-layer-coffee-char/21241/) & [virusintl](http://www.virusintl.com/index.html) When a little imagination is used, old coffee grinds can be reused in various ways, as is exemplified by the Virus 'Stay Warm' Line. The Virus 'Stay Warm' Line is a collection of [athletic gear](https://www.trendhunter.com/trends/coolia-activewear) made from coffee beans. To be more exact, the Californian company uses what they call Coffee Char or Coffee Charcoal. All the grinds are processed into a natural fiber that allows clothes to be made with ease. So what are the benefits? The use of Coffee Char will actually [trap heat close to the skin](https://www.trendhunter.com/trends/temperature-regulating-sports-bra) by providing a base layer fabric. It actually increases surface temperature by 10 degrees, so it's fairly well insulated. The material also has UV-shielding and [anti-odor features](https://www.trendhunter.com/trends/wellen-patinatech-tshirt). This is a really interesting concept that re-imagines coffee into something completely different. ## Trend Insights (Trend Hunter) - Score: 2.1/10 - Popularity: 27% | Activity: 28% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial - Top markets: North America, Europe ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Lifestyle](https://www.trendhunter.com/lifestyle) > [Sports](https://www.trendhunter.com/sports) ## Key Themes ### Key Themes Behind This Trend - **Eco-friendly Fabric:** Using recycled coffee grounds to create clothing presents a an opportunity to utilize sustainable textiles. - **Athletic Performance Technology:** Innovative clothing technology that enhances athletic performance and recovery can be utilized with Coffee Char fiber. - **Upcycling Materials:** The use of unconventional materials for textiles, such as repurposed coffee grounds, can create new and exciting market opportunities. ### Where This Applies - **Fashion:** Fashion brands can reinvent sustainable clothing and textiles by utilizing Coffee Char fiber in their production lines. - **Athletic Wear:** Athletic brands can innovate by using Coffee Char fiber to enhance thermal insulation, UV protection, and anti-odor features in their sportswear. - **Sustainability:** Sustainability-focused startups can explore new applications for upcycled materials such as coffee grounds, as demonstrated by the Virus 'Stay Warm' line. ## Related on Trend Hunter - [Thermal Layering Systems](https://www.trendhunter.com/trends/uniqlos-heattech.md) - [Plastic-Free Compostable Sportswear](https://www.trendhunter.com/trends/organic-athletic.md) - [Sustainable Performance Apparel](https://www.trendhunter.com/trends/craft-sportswear.md) - [Infrared Heat-Creating Clothing](https://www.trendhunter.com/trends/hologenix-1.md) - [Sleek Recovery-Aiding Activewear](https://www.trendhunter.com/trends/hologenix.md) - [Coffee Grounds-Made Home Accessories](https://www.trendhunter.com/trends/coffee-grounds-as-material.md) - [Probiotic-Infused Athleisure](https://www.trendhunter.com/trends/coperni-c-collection.md) - [Progressive Protein-Material Fashion](https://www.trendhunter.com/trends/brewed-protein.md) - [Upcycled Sports Nutrition Powders](https://www.trendhunter.com/trends/sports-nutrition-powder.md)