**Product Specifications:**

**Brand:** Pelliot

**Series:** Classic Series

**Model:** S.A770 Pretzei Dlly

**Intended Use:** Professional mountaineering and urban travel

**Capacity:** 40L/60L

**Material:** 840D tear-resistant and abrasion-resistant fabric

**Features:**

- Large capacity for storing gear and belongings

- Breathable back panel for ventilation

- Multiple compartments and pockets for organized storage

- Expandable top compartment

- Shoulder strap storage pockets

- Wind rope system for securing small items

- Front kangaroo pocket for easy access

- Comfortable padded shoulder straps

- Side attachment points for trekking poles

- Water-resistant fabric with moisture-proof bottom and tent compartment

- Waist belt storage pocket with included rain cover

**Design:**

- Aluminum alloy arch bridge design

- Scientific carrying system with S-shaped shoulder straps

- High-density honeycomb mesh back panel for comfort and breathability

- Scratch-resistant and durable construction

**Functionality:**

- Expandable top compartment and side pockets

- Kangaroo pocket for storing small items

- Adjustable chest and waist straps for a secure fit

- External attachment points for trekking poles and moisture-proof mats

**Dimensions:**

- 40L: 56×26×18CM (Rock Gray, Deep Sea Blue)

- 60L: 67×26×18CM (Rock Gray, Deep Sea Blue)

**Weight Capacity:**

- 40L: Approximately 11kg

- 60L: Approximately 14kg

**Additional Details:**

- YKK quality zippers for durability

- High-temperature injection-molded buckles

- Brand logo imprint for aesthetic appeal

- Side pockets for water bottle storage

- Honeycomb ventilation design for moisture-wicking and comfort

**Note:** The above specifications are based on the Pelliot Classic Series mountaineering and travel backpack.