1.5L
Developed with the same spirit of competition and quality of S3 products.
The new S3 O2Run backpack provides everything you need for your sports activities and adventures.
  Its swaddle design added to its One-click® lock system offers all the integration to the body with total freedom of movement and safety of the whole set.
 Its lightness (290gr), technical manufacturing materials and details such as the extra hydration (NEW 1,5L !!!!) make it the best ally for your careers, training and extreme activities.
Features:
• “ONE CLICK” quick lock system.
• Interior tool and mobile pockets.
• Breathable and ergonomic.
• Capacity of 8L + NEW hydration bag and 1,5L.
• Quick access zippers
 
3.0L
Design and composition:
• Designed, tested and approved by riders
• YKK security zip.
• Made of waterproof nylon.
Features:
• Inner pockets for tools and phone.
• Ergonomic vented backside for proper ventilation .
• “ONE CLICK” fastening system, easy to put and remove even with protection on.
• 15 L of backpack capacity.
• 3L water bag (inclusive)