Stay dry, light, and fast in any weather with the Mizuno Men’s 20K ER Waterproof Jacket in Blue, a high-performance outer layer built for serious runners and outdoor athletes. Engineered with a 20K waterproof and 25K breathable membrane, it offers exceptional protection against heavy rain while allowing sweat and heat to escape, keeping you cool and comfortable even during intense activity. Designed for endurance and freedom of movement, this technical jacket combines weatherproof reliability with sleek, modern styling suitable for both training and everyday wear.
Crafted from an extremely lightweight stretch woven fabric, the jacket provides a natural, unrestrictive feel while maintaining full durability. Fully taped seams ensure complete waterproofing, while adjustable cuffs, hem, and hood create a tailored, secure fit that keeps out wind and moisture. A ventilated back panel enhances breathability, while two zippered side pockets offer secure storage for essentials. With reflective details to boost visibility in low-light conditions and a packable design for easy carrying, this jacket is the perfect companion for performance-driven athletes facing unpredictable weather.

• 20K waterproof / 25K breathable performance delivers superior weather protection and airflow
• Ultra-light stretch woven construction maximises comfort and mobility during movement
• Fully taped seams with adjustable hood, cuffs, and hem for a secure, watertight fit
• Rear ventilation system enhances breathability and temperature regulation
• Packable design with reflective details and zip pockets for safety and convenience