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Jako Backpack One - royal
(Product No.: JA-1801-400-0)
Backpack One – Functional, comfortable and sustainable
The Backpack One convinces with its well thought-out design, high wearing comfort and sustainable materials. The large, spacious main compartment with 2-way zipper offers enough space for clothes, books or sports equipment. A separate zippered pocket on the front with an integrated organizer keeps smaller items tidy. In addition, the slide-in compartment offers practical storage space and the side mesh pocket offers space for water bottles or accessories. The padded, quilted back and the padded carrying straps guarantee pleasant carrying comfort - even on longer journeys. Made from recycled polyester, the backpack stands for sustainability, durability and modern style. Whether for sports, everyday life or travel - the Backpack One is your ideal companion in every situation. Discover now and get started with comfort and function.
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The Backpack One convinces with its well thought-out design, high wearing comfort and sustainable materials. The large, spacious main compartment with 2-way zipper offers enough space for clothes, books or sports equipment. A separate zippered pocket on the front with an integrated organizer keeps smaller items tidy. In addition, the slide-in compartment offers practical storage space and the side mesh pocket offers space for water bottles or accessories. The padded, quilted back and the padded carrying straps guarantee pleasant carrying comfort - even on longer journeys. Made from recycled polyester, the backpack stands for sustainability, durability and modern style. Whether for sports, everyday life or travel - the Backpack One is your ideal companion in every situation. Discover now and get started with comfort and function.
Find more products here
- Large, spacious main compartment with two-way zip
- Separate zip bag on front side with integrated organizer
- Slit pocket
- Mesh pocket on the side
- Padded, quilted back and padded shoulder straps
- 30 x 15 x 45 cm (LxWxH)
- Polyester 600 D
- 100 % polyester (recycled)
JAKO Size Chart
The official JAKO size guide separates unisex, women's and children's sizing. JAKO notes that small variations can occur depending on model and cut.
Unisex
Guidance for body height of approximately 175–185 cm.
| Measurement | S | M | L | XL | XXL | 3XL | 4XL |
|---|---|---|---|---|---|---|---|
| Chest (cm) | 85–91 | 92–97 | 98–103 | 104–109 | 110–115 | 116–121 | 122–127 |
| Waist (cm) | 71–77 | 78–84 | 85–91 | 92–98 | 99–105 | 106–112 | 113–119 |
| Hip (cm) | 94–97 | 98–101 | 102–105 | 106–109 | 110–113 | 114–117 | 118–121 |
Women
Guidance for body height of approximately 164–174 cm.
| Measurement | 34 | 36 | 38 | 40 | 42 | 44 | 46 | 48 |
|---|---|---|---|---|---|---|---|---|
| Chest (cm) | 78–81 | 82–85 | 86–89 | 90–93 | 94–97 | 98–101 | 102–107 | 108–113 |
| Waist (cm) | 64–66 | 67–70 | 71–74 | 75–78 | 79–82 | 83–87 | 88–92 | 93–98 |
| Hip (cm) | 88–91 | 92–95 | 96–98 | 99–101 | 102–104 | 105–108 | 109–112 | 113–116 |
Children
| JAKO size | 104 | 116 | 128 | 140 | 152 | 164 |
|---|---|---|---|---|---|---|
| Body height (cm) | 99–104 | 111–116 | 123–128 | 135–140 | 147–152 | 159–164 |
JAKO provides a size chart with each product. Product-specific sizing takes precedence.
Source: Official JAKO size chart and JAKO FAQ, jako.com. Research checked on 20 August 2026.