
All the Space You Need Without Excess Bulk
The Boston Marathon® 2026 Defender 5 Backpack has a place for everything, allowing you to travel with ease. Whether you’re headed to practice, work, or school, this backpack helps you take along whatever you need. Made with durable polyester, a water-resistant base, and a convenient webbing attachment, you can travel confidently knowing this pack is built to last. In the main compartment, you’ll find multiple zip pockets, as well as a vented pocket that’s perfect for storing your dirty clothes or shoes.
Features & Benefits:
- Water-resistant base material
- Multiple zip pockets, including a ventilated pocket
- Webbing attachment points for storing keys or water bottle
- 100% polyester
Dan Black
Best Boston packpack since 99
There aren't enough suiperlatives.
Frank
Finally, a well-sized backpack in the traditional Royal Blue & Yellow! I’ve been waiting for this one for years, and it did not disappoint.
Frank
Finally, a well-sized backpack in the traditional Royal Blue & Yellow! I’ve been waiting for this one for years, and it did not disappoint.
Maria Mulvihill
Boston Backpack
Love this backpack! Great for travel - very well made with lots of pockets!
Julian Matthews
FANTASTIC UNICORN BACKPACK!
Incredible quality - this will be accompanying me on many running trips all over the world!