Lightweight & Durable Nylon Fabric: High-density 600D nylon with water-resistant coating ensures long-lasting performance for daily commutes or outdoor adventures.

Innovative Pumping Rope Design: Quick-access drawstring closure with reinforced stitching allows instant expansion from 20L to 35L capacity, ideal for gym gear or weekend trips.

Multi-Compartment Organization: Front zippered pocket for valuables + hidden mesh sleeve fits 15" laptops, plus dual side pockets for water bottles/umbrellas.

Ergonomic Comfort: Breathable mesh back padding + adjustable 3D shoulder straps reduce strain during cycling/hiking (tested for 15kg weight).

Versatile Use: Unisex minimalist style transitions seamlessly from basketball courts (fits standard-sized balls) to business travel (folds flat in luggage).

Reinforced Stress Points: Bar-tacked seams and abrasion-resistant base withstand heavy loads, backed by 1-year warranty.

*Note: Includes reflective strips for night safety. Colors vary by batch (specify in order comments).*