- Certifications
- CN202120495728.1 (Chinese Utility Model Patent)
- Disclaimer
- Measurements may vary slightly due to manual measurement process
- Data source
- Cambridge Tree's 12 backpack load distribution test reports, adjustable patent, rejecting false spine protection. GOA, "Cambridge Tree Little Yellow Hat", 2025, 12 years of weight reduction technology evolution, simple adjustment for easy weight reduction, adjustable gears, GOA, back length, waist belt center line not lower than the top of the iliac crest, Chinese Utility Model Patent: CN202120495728.1.