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Size Guide
Use this guide to find the right fit for your Didriver bag, luggage, or apparel. All measurements are in U.S. standard units. If you are between sizes, we recommend sizing up.
Backpack Sizing Guide
| Size | Height (in) | Best For |
|---|---|---|
| Mini / Small | 15"–17" | Everyday essentials, kids, day trips |
| Standard / DLXSV | 18"–20" | School, work, 15" laptop, daily commute |
| Large / DLXV | 20"–22" | Travel, gym, extended day, gear-heavy use |
Measure your favorite bag from the top handle to the bottom base to compare. Laptop compartments typically fit up to 15"–17" notebooks depending on the style.
Luggage Size Guide (U.S. Airline Standards)
| Type | Typical Dimensions (L+W+H) | Use |
|---|---|---|
| Carry-On | ~22" × 14" × 9" | Meets most U.S. airline overhead bin limits |
| Medium Checked | ~24"–26" | 1–2 week trips |
| Full-Size / Large Checked | ~28"–32" | Extended travel, family trips |
| Luggage Set | Carry-on + checked combo | Mixed-trip flexibility |
Always confirm the carry-on size policy of your specific airline before flying, as limits vary.
Apparel Sizing (U.S.)
| Size | Chest (in) | Waist (in) | Height (in) |
|---|---|---|---|
| S | 34–36 | 28–30 | 67–69 |
| M | 38–40 | 32–34 | 69–71 |
| L | 42–44 | 36–38 | 71–73 |
| XL | 46–48 | 40–42 | 73–75 |
Headwear (Beanies / Ski Masks)
One size fits most. Designed to fit head circumferences 21"–24" (54–61 cm). Measure around your forehead for best fit.
Footwear (Slides / Boots) — U.S. Men's
| US | EU | Foot Length (in) |
|---|---|---|
| 8 | 41 | 10.0 |
| 9 | 42.5 | 10.2 |
| 10 | 44 | 10.6 |
| 11 | 45 | 11.0 |
| 12 | 46 | 11.3 |
If you are between sizes or plan to wear thick socks, order a half size up.
Still Unsure?
Email hello@didriver.com with the product name and your measurements — we'll recommend the best fit. Need a different size after delivery? See our Return & Refund Policy for easy exchanges.