Oakley 4L Switchback Hydration Black Backpack UK Size:26x5x47cm and performance during their training

and performance during their training and workouts

The mesh material allows for proper airflow

Featuring a sleek grey upper made from premium materials

Featuring FUZIONFIT+ technology

Oakley 4L Switchback Hydration Black Backpack UK Size:26x5x47cm and performance during their trainingCompact, trail ready, and hydration focused, the Oakley 4L Switchback Hydration Backpack is built for outdoor athletes and adventure seekers who demand lightweight performance. Whether you're mountain biking, hiking, or running, this pack keeps your water and essentials within easy reachwithout weighing you down. Key Features 4 Litre Capacity Slim, compact size perfect for short hikes, trail rides, and endurance activities where mobility is key.