Just1 J-STR Tiger Tom Booth-Amos Replica 2025 Helmet
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Size chart JUST1 J-STR/PGR/PGRF
| Size | Head circumference (cm) | Head circumference (inch) |
|---|---|---|
| XS | 53–54 cm | 20.9–21.3 in |
| S | 55–56 cm | 21.7–22.0 in |
| M | 57–58 cm | 22.4–22.8 in |
| L | 59–60 cm | 23.2–23.6 in |
| XL | 61–62 cm | 24.0–24.4 in |
| XXL | 63–64 cm | 24.8–25.2 in |

How to measure your helmet size correctly: To find the right helmet size, measure your head circumference with a flexible tape measure.
It is important that the tape measure runs around the widest part of the head – only then will you get a correct result.
Place the tape measure at the front, about 1–2 cm above the eyebrows, and run it along the sides above the ears.
At the back, the tape must run over the largest part of the back of the head (not too low on the neck). The tape may run slightly at an angle – what matters is that it sits all the way around the largest points of the head.
Make sure the tape measure sits snugly but does not dig in. Measure 2–3 times for the most accurate result. You can then compare the measured value in centimetres (cm) with our size chart.
Tips for an accurate result
- Keep hair flat (e.g. do not measure over a voluminous hairstyle)
- Keep the tape horizontal, i.e. along the largest circumference
- Do not measure too loosely
- For values between two sizes:
→ usually choose the larger size (depending on helmet model / fit)
Important note on fit
The right helmet should fit firmly without causing uncomfortable pressure points.
A new helmet may feel a little tighter at first, as the inner lining adapts slightly over time.
- Worldwide shipping
- Genuine parts & verified quality
- Personal email support
- 14-day returns — in stock ships within 24h
Shipping & Returns
We ship with DHL and FedEx — express on request. If an item is in stock, express delivery can often go out within 1 business day. Standard delivery takes about 2–5 business days domestically and usually around a week worldwide. Please check the available shipping options and delivery times in your cart, as we offer several carriers depending on the country.
Returns must be registered in advance by email and are possible in line with our cancellation policy (14-day return request + 14-day return window after approval). Please note: unregistered returns are not accepted. You'll find all details on conditions, exceptions and refunds in our cancellation policy.
Payment & Security
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Constructed on the proven J-STR platform, the Just1 J-STR Tiger Tom Booth-Amos Replica 2025 helmet pairs a robust ABS outer shell with a precisely engineered EPS liner to deliver a level of build quality rarely found at this price point. The striking Tiger livery — lifted directly from the championship-level artwork of WM rider Tom Booth-Amos — is finished to a standard that holds its depth and intensity even at speed, making this a genuine collector-grade piece as well as a fully certified road helmet.
Key Features
- Dual-certified to ECE 22.06 and DOT standards, meeting the most current international safety regulations for road use.
- ABS outer shell manufactured in two shell sizes, reducing unnecessary mass and improving balance across the size range.
- EPS impact liner in two densities, tuned to work in tandem with the shell for optimised energy management.
- J.I.E.R. Emergency Cheek Pad Removal System allows first responders to extract cheek pads rapidly without moving the helmet.
- Protx2 antimicrobial interior lining keeps the padding hygienic on long days, and the entire interior is fully removable and machine washable.
- Wide Vision visor with scratch-resistant coating and Pinlock 70 preparation for fog-free riding in all conditions.
Build Quality and Materials
The J-STR shell is moulded in high-impact ABS across two size groupings rather than a single one-size shell — a construction approach that keeps the helmet proportionate and properly balanced on every head size from XS through XXL. The double-D retention system, favoured by race organisers worldwide, delivers a secure, rattle-free closure that synthetic micro-buckles simply cannot match. Every seam, vent channel and visor seal on this helmet reflects Just1's background in motocross and road racing; the fit and finish throughout is deliberate and precise.
Interior Comfort
The Protx2 antimicrobial treatment is integrated into the fabric of the cheek pads and crown liner rather than applied as a surface spray, meaning it remains effective wash after wash. Breathable materials are channelled through multiple intake and exhaust vents that work with the aerodynamic shell profile to move air across the rider's head on sustained runs. The ergonomic fit is sporting and close without feeling restrictive — a stable, planted sensation that inspires confidence on faster roads and track days alike.
Visor System
The Wide Vision visor delivers an expansive field of view appropriate for the sporty geometry of the J-STR. Its scratch-resistant coating protects optical clarity over the long term, and the Pinlock 70 prepared fitment means adding an anti-fog insert is a straightforward upgrade whenever the weather demands it. A nose cover is included in the box to reduce buffeting and minimise fogging at the visor's lower edge.
Fitment and Compatibility
The Just1 J-STR Tiger Tom Booth-Amos Replica 2025 is a full-face road helmet suitable for all makes and models of motorcycle. Use the size guide below to select the correct shell; head shapes that sit between sizes should always size down for a secure, safe fit.
Size Guide (Adults)
| Size | Head circumference (cm) | Head circumference (in) |
|---|---|---|
| XS | 53–54 | 20.9 – 21.3 |
| S | 55–56 | 21.7 – 22.1 |
| M | 57–58 | 22.4 – 22.8 |
| L | 59–60 | 23.2 – 23.6 |
| XL | 61–62 | 24.0 – 24.4 |
| XXL | 63 | 24.8 – 25.2 |
How to Measure Your Head Size
- Wrap a soft tape measure around your head at the widest point — across the forehead above the eyebrows and around the back.
- Record the largest measurement and repeat two or three times to confirm.
- The helmet should feel firm and snug with no pressure points; if it moves on your head, size down.
Specifications
- Brand: Just1
- Model: J-STR Tiger Tom Booth-Amos Replica 2025
- Part number: 6130320201000
- Type: Full-face road helmet
- Shell material: ABS (2 shell sizes)
- Impact liner: EPS (2 liner sizes)
- Certifications: ECE 22.06, DOT
- Retention system: Double-D ring
- Interior: Protx2 antimicrobial, fully removable and washable
- Visor: Wide Vision, scratch-resistant, Pinlock 70 prepared
- Sizes available: XS, S, M, L, XL, XXL
| Brand | Just1 |
|---|---|
| Model | J-STR Tiger Tom Booth-Amos Replica 2025 |
| Part number | 6130320201000 |
| Type | Full-face road helmet |
| Shell material | ABS (2 shell sizes) |
| Impact liner | EPS (2 liner sizes) |
| Certifications | ECE 22.06, DOT |
| Retention system | Double-D ring |
| Interior lining | Protx2 antimicrobial, fully removable and washable |
| Visor | Wide Vision, scratch-resistant, Pinlock 70 prepared |
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Just1 J-STR Tiger Tom Booth-Amos Replica 2025 helmet
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Nose cover
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Helmet bag
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// Just1
Just1 J-STR Tiger Tom Booth-Amos Replica 2025 Helmet

Tech specs
- Brand
- Just1
- Model
- J-STR Tiger Tom Booth-Amos Replica 2025
- Part number
- 6130320201000
- Type
- Full-face road helmet
- Shell material
- ABS (2 shell sizes)
- Impact liner
- EPS (2 liner sizes)
- Certifications
- ECE 22.06, DOT
- Retention system
- Double-D ring
- Interior lining
- Protx2 antimicrobial, fully removable and washable
- Visor
- Wide Vision, scratch-resistant, Pinlock 70 prepared
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
Frequently asked questions
Shipping & delivery
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