Reactive Flow T-Shirt: Ultralight Running Shirt for Hot Training Days

Whether you're doing fast interval training, running long miles or at the start of a summer race - the Reactive Flow T-Shirt keeps you cool, light and focused. This technical running shirt is designed for maximum ventilation and comfort when the temperature rises.

With an ultralight design and a close-fitting fit, the shirt feels almost weightless, so you can fully focus on your pace and performance.

Ultralight Material for Fast Runs

The shirt is developed with an extremely lightweight and breathable material that provides optimal comfort during intense workouts and races.

• Ultralight performance material for maximum freedom of movement
• Weight of only 120 grams
• Made from 79% recycled polyester

Quick-drying Comfort with SAYSKYDRY Technology

The technical fabric quickly wicks sweat away from the skin and dries exceptionally fast, keeping you cool and comfortable during hot conditions.

• SAYSKYDRY technology for effective moisture management
• Quick-drying fabric for long-lasting comfort
• Ideal for hot workouts and competitions

Comfortable fit without chafing

Soft fabric finish prevents irritation during running and provides a comfortable feel on the skin.

• Soft fabric with anti-chafe finish
• Precision fit for runs at race pace
• Classic short-sleeve design for versatile use

Ventilation and Visibility While Running

Breathable design helps keep your body cool during intense exercise, while reflective details provide added visibility.

• Breathable fabric for effective heat dissipation
• Reflective logos on front and back
• Comfortable design for training and competition

Why choose the Reactive Flow T-Shirt?

The Reactive Flow T-Sh irt is designed for runners who want to combine speed, ventilation and comfort in hot conditions.

• Ultra-lightweight material for maximum performance
• SAYSKYDRY technology for quick-drying comfort
• Precision fit for fast workouts and races
• Soft anti-chafe fabric for long-lasting comfort
• Reflective details for added visibility