$329.99
Why compromise when you don’t have to? The Mountainsmith Mayhem 45 is ultralight, ultra‑durable and ultra‑comfortable — a high‑performance pack built from Spectra® Fiber, an ultra‑high‑molecular‑weight polyethylene used by military and law‑enforcement for its exceptional strength‑to‑weight ratio. In the Mayhem 45, that means more efficient carry, more mileage and a pack tough enough for a lifetime of adventures. Less pack weight also means more room for the essentials — including the melted chocolate bars and squished PB&Js.
At 45 litres, the Mayhem is engineered for one‑to‑three‑night backpacking trips, backcountry hut missions, gear‑heavy crag days and adventure‑travel weekends. The hybrid top‑and‑panel opening provides fast access to the front of the pack — essential for tight spaces and organised packing. The hex‑ridged EVA back‑panel padding delivers omni‑directional airflow, while the sock‑style shoulder straps prevent pressure points. The Interfaced Waistbelt system flows seamlessly into the back panel for a lightweight yet intimate suspension fit that offers excellent stability and comfort under load.
Features
• Front panel expansion pocket with daisy‑chain attachment loops and built‑in haul handle
• Dual‑density EVA/PU shoulder straps with load‑lifter adjustment
• Forward‑pull waistbelt with ventilated padding and side‑adjust webbing
• Stretch mesh waistbelt pockets for quick‑grab essentials
• Top‑lid zippered compartment with secondary under‑lid pocket
• Side mesh bottle pockets with Over/Under strap pass‑through
• Dual tool / trekking‑pole carry with elastic pole‑tip loops
• Ice & mixed‑tool lower panel pass‑through sleeves
• Hybrid top and panel access for fast, organised packing
• Hex‑ridged EVA back‑panel padding for omni‑directional airflow
• Interfaced Waistbelt system for a stable, body‑hugging suspension
Materials
• Body: 210D HT Nylon with 200D Spectra® Ripstop
• Liner: 210D Nylon Embossed
• Frame: 2 mm spring steel
Specifications
• Volume: 44 L
• Dimensions: 26″ × 11.5″ × 8.25″ (H × W × D)
• Torso Size: 16″ – 20″
• Waistbelt: 28″ – 48″
• Weight: 1.33 kg