Master your run! Introducing a lightweight 12L running backpack essential for runners and cyclists. Its body-hugging design minimizes bouncing, ensuring comfort even during long activities. With an expandable net, you can even store shoes or a helmet! Excellent functionality with breathable cushion mesh, reflective strips for nighttime safety, and water-repellent & abrasion-resistant material! [Product] Running Backpack [Capacity] 12L [Color] Pink (※Also available in black and blue)