Mac In A Sac SpeedPro Waterproof Race Pack Size:OS A 4-way stretch and extra

A 4-way stretch and extra ventilation from mesh side panels keep you moving forward and feeling cool

athletic fit that layers easily

Weight: womens 249g

Stay covered without overheating in the Brooks Fremont Run Jacket

Refreshed with reflective details and tactile silicone touchpoints

Mac In A Sac SpeedPro Waterproof Race Pack Size:OS A 4-way stretch and extraThe Mac in a Sac SpeedPro Waterproof Race Pack in Jet Black is a lightweight 20L running pack designed for long training runs, trail days, and ultra distance events where stability and fast access matter. Built with a streamlined profile to minimise bounce, it sits close to the body for controlled movement at pace while keeping essentials organised. The roll top opening offers flexible capacity management, and multiple storage areas make it easy to