Designed for modern professionals who balance work and lifestyle, this WIERSAAM business casual backpack blends sleek sophistication with practical functionality. Tailored for leisure, business trips, and office commutes, it combines a minimalist aesthetic with durable construction to keep your work essentials organized, secure, and easily accessible. Whether you’re heading to a meeting, traveling for business, or navigating the city, this backpack offers all-day comfort and reliable performance—making it the perfect companion for style-conscious professionals.

Water-Repellent & Durable Exterior

Crafted from high-quality EVA + Oxford fabric, the backpack features a specially developed water-repellent function that effectively repels rain and accidental splashes. Your personal items and work gear stay dry and protected, even in unexpected wet conditions, ensuring peace of mind during business travels or daily commutes. The sturdy composite material also boasts excellent wear resistance, maintaining its sleek shape and durability with frequent use.

Ergonomic & Breathable Carrying System

- Thickened honeycomb shoulder straps: Promote free air circulation, reduce sweat buildup, and keep your back and shoulders dry throughout the day. The padded design evenly distributes weight, alleviating pressure on the shoulders for comfortable long-term wear.

- Adjustable shoulder straps: Equipped with secure buckles, the straps can be easily adjusted to fit different body types, ensuring a personalized and snug fit.

- Triangle reinforcement: Reinforced stitching at key stress points (such as strap connections) enhances structural stability, preventing tearing and extending the backpack’s service life.

Convenient External USB Charging Port

Featuring a built-in external USB charging cable and port, the backpack allows you to charge your smartphone, tablet, or other electronic devices on the go. Simply connect a power bank inside the bag, and plug your device into the external port for instant charging—eliminating the hassle of dead batteries during business trips or commutes.

Secure Storage with Password Lock

- Integrated password lock: Provides reliable security for your valuable items (such as laptops, documents, and electronics). Paired with explosion-proof zippers, it offers enhanced protection against theft, giving you peace of mind during travels or when the backpack is left unattended. The initial password is "000"—push the lock in the direction of the arrow to pop open the zipper heads. For password modification instructions, please contact customer service.

- Smooth bidirectional hardware sliders: The zippers feature high-quality hardware sliders that glide smoothly without jamming or getting stuck, ensuring easy opening and closing even with one hand.

Practical Compartment Organization

While maintaining a streamlined profile, the backpack offers thoughtful storage solutions for work essentials:

- Spacious main compartment: Ideal for storing documents, folders, a change of clothes, or daily necessities, keeping items neat and orderly.

- Dedicated laptop compartment: Designed to safely hold laptops (compatible with most standard sizes), providing cushioning and protection against bumps and scratches.

- Additional functional pockets: (Inferred from business backpack design conventions) Front zippered pockets for quick-access items like keys, pens, or a portable charger, and internal slots for cards, notebooks, or a mouse—maximizing organization for work-related gear.

Specifications:

| Material (Outer) | EVA + Oxford fabric |

| Weight | Approx. 0.59 kg |

| Size | 29 cm × 10 cm × 41 cm (Manual measurement, minor errors may occur) |

| Colors Available | Obsidian Black, Gentleman Grey, Starlight Blue |

| Key Features | Water-repellent fabric, external USB charging port, password lock + explosion-proof zippers, thickened honeycomb shoulder straps, adjustable straps, triangle reinforcement, bidirectional hardware sliders |

| Occasions | Leisure, business trips, office commutes |

Ideal For

Modern professionals, business travelers, and office workers in need of a stylish and functional backpack for daily commutes, business trips, meetings, or casual outings. It’s designed to balance professionalism with practicality, offering secure storage, all-day comfort, and convenient charging—perfect for those who refuse to compromise on style, security, or functionality.