Brooks Men's Source 9" Short Tight Colour:Blue Slate On simulated how each component

On simulated how each component of their prototype reacts while running

38 hours of full operation or 80 days in standby mode on a single charge

With a lightweight

this top provides you with ACTIBREEZE™ technology to help you keep warm and comfortable in varying temperatures

secure fit plus drawstring adjustability

Brooks Men's Source 9" Short Tight Colour:Blue Slate On simulated how each componentPairing semi compressive fit with streamlined comfort , the Source 9" tight delivers stretch, support, and maximum range of motion for high speed workouts. Run ready design Minimal seaming with just right level of compression keeps you comfortable and in motion. Storage options Carry what you need with two drop in pockets. Comfort in the details All new flat waistband provides a comfortable, secure fit plus drawstring adjustability. Streamlined design