Description Nirun: The Perfect Blend of Innovation and Sustainability for Marathon Runners
Nirun combines cutting-edge performance technology with sustainability, making it the ultimate choice for marathon runners. Featuring a unique Carbon Plate and VEPRO Foam, Nirun delivers superior efficiency, speed, and shock absorption, rivaling traditional running shoes. Its eco-friendly design uses sustainable materials and minimizes waste through an energy-efficient manufacturing process.
Recently, Nirun proved its exceptional performance when Barnabas Kiplimo, a Kenyan runner, won the Khon Kaen International Marathon 2025 wearing the Nirun sandals, finishing with an impressive time of 2 hours, 18 minutes, and 55 seconds. This milestone underscores the sandal’s ability to compete head-to-head with the world's best running shoes.
The sandal’s breathable, flexible structure offers unmatched comfort and freedom, making it ideal for any runner—from casual joggers to elite athletes—across various distances and terrains. With its innovation and commitment to sustainability, Nirun is truly a game-changer in the world of running footwear.
Innovation Technical Highlights & Innovative Design:
The Trident Carbon Plate (10% recycled) boosts propulsion for faster, more efficient strides while reducing joint impact, ensuring comfort in long-distance runs.
VEPRO™ Foam: A revolutionary bio-based foam with a 66% rebound rate, delivering exceptional bounce, shock absorption, and unparalleled comfort with every step.
Hardness Optimization: Designed with a Shore hardness of 36°, offering the perfect balance of softness for comfort and firmness for support.
Injection Molding Production: An eco-friendly manufacturing process that minimizes waste and energy consumption while creating a single-piece structure for enhanced durability.
PEBA TPEE Materials: Lightweight, flexible, and highly durable, ensuring long-term performance for runners of all levels.
Ultra-Lightweight Design: At only 167 grams (Size 42 / US 9), the sandal reduces fatigue while running and maintains superior durability for long-distance use.
Orthopedic Structure: Engineered to distribute pressure evenly, absorb shocks, and minimize the risk of injuries, making it ideal for both performance and recovery.
Product Detail Design & Features:
Lightweight Construction: 30% lighter than conventional EVA flip-flops, reducing foot fatigue and maximizing performance.
Sleek, Modern Design: Blends style and functionality, making it perfect for both running and casual wear.
Easy to Clean: Durable against rain and mud, suitable for any environment or terrain.
Materials & Composition:
VEPRO Foam (EPOS Technology): A bio-based, high-rebound foam with 66% energy return, offering superior bounce and comfort. Optimized density (0.12 g/cm³) ensures long-term durability without requiring an additional outsole.
Trident Carbon Plate: Made from 10% recycled material, it enhances propulsion and reduces impact forces, ensuring exceptional performance.
Structure & Sustainability:
Orthopedic Design: Engineered to distribute pressure evenly, absorb shocks, and reduce the risk of injury, providing unparalleled comfort.
Injection Molding Production: Creates a seamless, single-piece structure that enhances durability while maintaining sustainability by reducing material waste.
Specification Nirun Running Sandal: Product Specification
Sizes: Men EU 39-46, Women EU 35-42
Colors: Black, White, Navy Blue, Earth Tones
Weight: Ultra-light at 167 g (Size 42 / US 9)
Materials:
VEPRO Foam: High-rebound, bio-based foam for exceptional bounce and shock absorption
Trident Carbon Plate: 10% recycled for propulsion and reduced joint impact
PEBA TPEE: Lightweight, flexible, and durable
Features: Orthopedic design, eco-friendly injection molding, water-resistant, and easy to clean
Durability: Tested for over 1,000 km of use
Nirun is the perfect blend of lightweight innovation, durability, and sustainability for all runners.
Bio VING is a Thai footwear brand focused on human-centric movement. We specialize in ultra-light sandals designed for runners, travelers, and recovery. Our flagship model, NIRUN, blends ergonomic engineering with minimalist aesthetics, making it ideal for long-distance comfort. We design for movement — in every sense of the word.
