The soft, ring-spun cotton of this t-shirt is also long-lasting. With a classic fit and seam-free body, you'll want to wear it every day. 100% soft ring-spun cotton (Sport Gray is 90% ring-spun cotton, 10% polyester; Dark Heather is 65% polyester, 35% cotton.) Modern classic fit Tubular body Double-needle sleeve and bottom hems Taped neck and shoulders Ribbed collar Wash cool, hang dry or tumble dry low Cool iron inside-out

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PRODUCT OVERVIEW Wear your intelligence! This bold typography t-shirt features the fascinating real-world fact: "Japan Is Turning Footsteps Into Electricity." Styled with a heavy, distressed grunge texture, it perfectly blends modern tech trivia with a vintage streetwear aesthetic. WHY THIS DESIGN IS TRENDING - Trivia Culture: "Fun fact" apparel is a massive hit in the nerd/geek community as a natural conversation starter. - Eco-Tech Focus: Renewable and kinetic energy are hot topics for modern engineers and environmentally conscious consumers. - Minimalist Style: The simple, high-contrast white text on dark colors is a timeless casual fashion staple. PERFECT FOR: - Science Teachers and Engineering Students - Tech Geeks and Trivia Buffs - Casual Wear for Hackathons or Tech Meetups - Searching for Smart Nerd Shirts THEMES: Science Fact, Technology Trivia, Kinetic Energy, Japan Innovations, Typography Aesthetic, Nerd Culture.