**TUMI Alpha 3 Series 26578D3 Men's Backpack**
* **Material:** Ballistic nylon
* **Features:**
* Structured silhouette with refined craftsmanship
* Lightweight construction compared to D2 and D4 models
* Dedicated rear laptop compartment
* High-density reinforced webbing
* Rear luggage trolley sleeve (Add-a-Bag system)
* **Color:** Available in 3 colors (pictured in Grey)
* **Dimensions:** 43 cm × 30 cm × 20 cm
Review method
The MiniCost Catalog Editorial Team uses only verifiable titles, descriptions, and media from the authorized source page. Chinese copy receives only minimal risk-phrase removal; English is a faithful translation of the sanitized Chinese, with numbers, years, dimensions, capacities, and models checked. The page does not infer price, inventory, authenticity, official brand affiliation, or facts absent from the source.
Last reviewed: 2026-09-12T11:38:33.589Z
