- ergoACTIV XP suspension with OpenAir backpanel and SwingArm shoulder straps
- Top-loading with floating top pocket, plus front zippered access
- Waterproof taping on top and bottom
- Compartment divider, side and hipbelt pockets, front and internal organizer pockets
- Retractable trekking pole/ice axe loop, sleeping pad straps, hydration compatible
- Also available as men's-specific Mercury
A durable, full-featured women's-specific pack that maximizes comfort and stability during long days on the trail, the Black Diamond Women's Onyx 55 Backpack is ideal for weekend trips from Yosemite to the Ice Age Trail. The ergoACTIV XP suspension system uses a custom, 3D pivoting hipbelt, women's-specific fit and SwingArmTM shoulder straps for increased stability, unparalleled freedom of movement and dynamic load transfer. The pack's front zippered panel gives you full access to the inside, while multiple pockets, dividers and straps help secure and organize your gear during extended trips.