FMI opines the hydration backpack market was valued at USD 486.70 million in 2025. Sales are expected to reach USD 545.10 million in 2026 and USD 1.69 billion by 2036. Hydration Backpack for Sports is poised to lead by End User with 54.2% share in 2026 and Hydration Backpack Sales via Specialty Stores is estimated to command by Distribution Channel in 2026.