HJC i31 Adult Cruiser Helmets
The i31 brings a fresh perspective to open-face helmets, combining a modern aesthetic with thoughtful design for a versatile riding experience. With its updated look and rider-focused enhancements, this helmet is crafted to deliver comfort, performance, and confidence on every journey.
- MultiCool Moisture-Wicking & Quick Dry Interior
- Aerodynamic 3D Shield Design
- Rapidfire Shield Replacement System
- Nylon Strap Retention System
- Grooves For Eyeglass Wearers
- Standards: DOT
- Construction: Injection-molded polycarbonate thermoplastic
- Weight: 3.30 lbs / 1500 grams (approx, based on Size Medium Solid Color)
- Colors: Black, White, Semi-Flat Metallic Blue, Semi-Flat Black, Semi-Flat Titanium, Nardo Grey
- Sizes: X-Small, Small, Medium, Large, X-Large, 2X-Large
- SKU: 0839-0105, 0839-0109, 0839-0132, 0839-0135, 0839-0147, 0839-0187
New or Brand New - Brand new item in original packaging (original manufacturer's warranty may apply).
Refurbished - Professionally restored and in perfect working condition. Original packaging may be missing or slightly damaged.
Used - Item has seen limited use but remains in good working condition. May show some limited signs of wear with small scratches or cosmetic blemishes. May arrive with damaged packaging or be repackaged.
Refurbished, Without Tags - Same as refurbished. Item may arrive with mising labels or tags.
Refurbished, Last Call - Same as refurbished. Last call or closeout item.
HOW TO DETERMINE YOUR HELMET SIZE
(H) HEAD
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
| SIZE | HEAD (CM) | HAT SIZE | HEAD (IN) |
|---|---|---|---|
| 2XS | 51 - 52 | 6 3/8 - 6 1/2 | 20 1/8 - 20 1/2 |
| XS | 53 - 54 | 6 5⁄8 - 6 3⁄4 | 20 7⁄8 - 21 1⁄4 |
| SM | 55 - 56 | 6 7⁄8 - 7 | 21 5⁄8 - 22 |
| MD | 57 - 58 | 7 1⁄8 - 7 1⁄4 | 22 1⁄2 - 22 7⁄8 |
| LG | 59 - 60 | 7 3⁄8 - 7 1⁄2 | 23 1⁄4 - 23 5⁄8 |
| XL | 61 - 62 | 7 5⁄8 - 7 3⁄4 | 24 - 24 3⁄8 |
| 2XL | 63 - 64 | 7 7⁄8 - 8 | 24 3⁄4 - 25 1⁄8 |
| 3XL | 65 - 66 | 8 1⁄8 - 8 1⁄4 | 25 5⁄8 - 26 |
| 4XL | 67 – 68 | 8 3⁄8 - 8 1⁄2 | 26 3⁄8 - 26 3/4 |
| 5XL | 69 – 70 | 8 3⁄4 - 8 3⁄4 | 27 1⁄4 - 27 5/8 |
| SIZE | HEAD (CM) | HAT SIZE | HEAD (IN) |
|---|---|---|---|
| XS | 54 – 55 | 6 3/4 - 6 7/8 | 21 1/4 - 21 5/8 |
| S | 55 – 56 | 6 7⁄8 - 7 | 21 5⁄8 - 22 |
| M | 57 – 58 | 7 1⁄8 - 7 1/4 | 22 1⁄2 - 22 7/8 |
| L | 58 – 59 | 7 1⁄4 - 7 3⁄8 | 22 7⁄8 - 23 1⁄4 |
| XL | 60 – 61 | 7 1⁄2 - 7 5⁄8 | 23 5⁄8 - 24 |
| 2XL | 62 – 63 | 7 3⁄4 - 7 7⁄8 | 243⁄8 - 24 3/4 |
| 3XL | 64 – 65 | 8 - 8 1/8 | 25 1⁄4 - 25 5⁄8 |
| SIZE | HEAD (CM) | HAT SIZE | HEAD (IN) |
|---|---|---|---|
| XS | 54 – 55 | 6 3/4 - 6 7/8 | 21 1/4 - 21 5/8 |
| S | 56 – 57 | 7 - 71⁄8 | 22 - 221⁄2 |
| M | 58 – 59 | 7 1⁄4 - 73/8 | 22 7⁄8 - 231/4 |
| L | 60 – 61 | 7 1⁄2 - 7 5⁄8 | 235⁄8 - 24 |
| XL | 62 – 63 | 73⁄4 - 247⁄8 | 233⁄8 - 243/4 |
| 2XL | 63 – 64 | 8 - 81⁄8 | 251⁄4 - 255/8 |
| 3XL | 65 – 66 | 81/8 - 81/4 | 255⁄8 - 26 |
| 4XL | 67 – 68 | 83/8 - 81/2 | 263⁄8 - 263/4 |
| 5XL | 69 – 70 | 83/4 - 83/4 | 271⁄4 - 275/8 |
HOW TO DETERMINE YOUR HELMET SIZE
(H) HEAD
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
| SIZE | HEAD (CM) | HAT SIZE | HEAD (IN) |
|---|---|---|---|
| YOUTH S | 49 – 50 | 61/8 - 61/4 | 191/4 - 193/4 |
| YOUTH M | 51 – 52 | 63⁄8 - 61⁄2 | 20 - 201⁄2 |
| YOUTH L | 53 – 54 | 65⁄8 - 63/4 | 207⁄8 - 211/4 |
| YOUTH S/M | 49 – 50 | 61⁄8 - 61⁄4 | 191⁄4 - 193⁄4 |
| YOUTH L/XL | 63/8 - 61/2 | 63⁄8 - 61⁄2 | 20 - 201⁄2 |
