Climb to New Heights with the Mountainsmith Circuit 80 Backpack

The Mountainsmith Circuit 80 is a versatile and reliable backpack designed for day hikes, overnight trips, or multi-day excursions. This pack’s robust construction, spacious interior, and clever features make it an excellent choice for outdoor enthusiasts who demand a high-quality bag that can keep up with their adventures.

Design and Features

The Mountainsmith Circuit 80 boasts a classic design with clean lines, durable materials, and thoughtful details. The main compartment is accessed via a large, zippered opening with a reinforced bottom panel to protect gear from abrasion and water ingress. Inside, you’ll find a spacious interior with multiple pockets for organization, including two side mesh panels for ventilation and accessibility.

Suspension System

The Circuit 80 features Mountainsmith’s proprietary AirFlow suspension system, which provides comfortable load distribution and stability. The pack’s torso and hip belt are designed to move in sync with the wearer, reducing fatigue and minimizing hotspots.

Capacity and Organization

With a total capacity of 2,500 cubic inches (40 liters), the Circuit 80 offers ample space for gear, clothing, and essentials. The main compartment is complemented by two zippered side pockets, a mesh pocket on the hip belt, and a small front pocket with a zip closure.

Compartments and Pockets

Inside the main compartment, you’ll find several sub-compartments and pockets to help keep your gear organized:

  • A padded laptop sleeve (up to 15 inches)
  • A hydration sleeve for easy access
  • Two zippered mesh pockets for storing small items like snacks or energy bars
  • A dedicated phone pocket on the hip belt

Weight and Durability

The Mountainsmith Circuit 80 weighs in at approximately 3 pounds 2 ounces (1.45 kg), making it relatively lightweight compared to other packs in its class. The bag’s construction features a combination of durable, weather-resistant materials, including:

  • 420D nylon ripstop fabric for the main compartment
  • 600D polyester mesh panels for ventilation and durability
  • Reinforced stitching throughout

Rain Protection

The Circuit 80 comes equipped with a built-in rain cover (stored in a dedicated pocket) that provides additional protection against precipitation. This convenient feature allows you to quickly deploy the cover when needed, keeping your gear dry and secure.

Hip Belt and Shoulders

The pack’s hip belt features adjustable webbing, allowing for a customizable fit. The shoulder straps are padded with breathable mesh and have quick-adjust buckles for easy height adjustments.

Closure System

The Circuit 80 uses a sturdy nylon zipper closure system with reinforced teeth and weather-resistant sliders to prevent water ingress.

Accessories and Warranty

Mountainsmith includes several useful accessories, such as:

  • A rain cover
  • Two trekking pole holders
  • A reflective safety whistle

The company also offers a comprehensive warranty, covering defects in materials and workmanship for up to 1 year from the date of purchase.

Conclusion

The Mountainsmith Circuit 80 Backpack is an exceptional choice for outdoor enthusiasts seeking a reliable, feature-rich pack that can handle demanding terrain and unpredictable weather conditions. With its spacious interior, clever design features, and durable construction, this backpack is sure to become your trusted companion on countless adventures.

Technical Specifications:

  • Capacity: 2,500 cubic inches (40 liters)
  • Weight: Approximately 3 pounds 2 ounces (1.45 kg)
  • Material: 420D nylon ripstop fabric (main compartment), 600D polyester mesh panels
  • Suspension System: Mountainsmith AirFlow system
  • Closure System: Sturdy nylon zipper with reinforced teeth and weather-resistant sliders
  • Hip Belt: Adjustable webbing, padded shoulder straps with quick-adjust buckles
  • Rain Protection: Built-in rain cover with dedicated storage pocket