Gregory Men's Inertia 18 H2O Hydration Pack
Compare prices from top U.S. retailers and find the best available deal.
$64.73 - $119.95
10 offers4 retailers
Updated 18 hours ago
Available Colors
Obsidian Black
Other Colors
Best prices by size for Gregory Men's Inertia 18 H2O Hydration Pack
- Size ONE SIZE: from $64.73
Updated 18 hours ago
Price
Discount
Size
Color
Retailer
Action
Price History
Price History
MSRP
Manufacturer's Suggested Retail Price. Note that MSRP values are not always consistent across retailers and may fluctuate or be inflated for marketing purposes.
$119.95
Best Price
$64.73
Size: All•Color: All
No price history available for the selected filters.
Product Details
Product Details
Whether traveling or trekking, the Gregory Inertia 18 H2O hydration pack transitions from trail to transit with its zippered pockets and a reservoir compartment that converts to a small laptop sleeve.
Key Specifications
| Brand | Gregory |
| Category | Hydration packs |
| Available Sizes | ONE SIZE |
| Available Colors | Brick Red, Indigo Blue, Obsidian Black, Red Rock, Redrock |
Where to Buy
Available at 4 retailers
REIBackcountryCampSaverRidge & River
Last Updated: April 6, 2026