Alpinestars 2026 Fluid Portl Youth Mx Pants - UCLA Blue/White
Alpinestars 2026 Fluid Portl Youth Mx Pants - UCLA Blue/White
SKU: AS-3741126-7262-22
Select a section to expand.
Youth Footwear Conversion
| Euro | 28 | 29 | 30.5 | 32 | 33 | 34 | 35.5 | 37 | 38 | 39 | 40.5 | 42 |
| US | 10 | 11 | 12 | 13 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| JPN | 17.5 | 18.5 | 19.5 | 20 | 21 | 21.5 | 22.5 | 23 | 24 | 25 | 25.5 | 26.5 |
How to measure
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A. Chest Measure around the fullest part, under the armpits, keeping the tape horizontal. |
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B. Waist Measure around the natural waist line, inline with the navel, keeping the tape horizontal. |
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C. Hip Measure around the fullest part of your hips, about 20cm below waist line, keeping the tape horizontal. |
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D. Thigh Stand against a wall, ask someone else to measure from the crotch to the bottom of your leg. |
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E. Inner Leg Measure around the thigh just below the crotch, keeping the tape horizontal. |
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F. Outer Arm Measure from shoulder (Humerus) to wrist. |
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G. Height Stand against a wall, ask someone else to measure from the floor to the top of your head. |
Apparel size chart (inches)
| Size | 120 | 130 | 140 | 150 |
| International Size | S | M | L | XL |
| U.S. Size | 22 | 24 | 26 | 28 |
| YEARS | 6 | 7-8 | 9-10 | 11-12 |
| A. Chest (Inches) | 23 7/8 - 25 3/4 |
25 3/4 - 27 3/4 |
27 3/4 - 29 3/4 |
29 3/4 - 31 3/4 |
| B. Waist (Inches) | 21 1/4 - 22 7/8 |
22 7/8 - 24 3/8 |
24 3/8 - 26 |
26 - 27 1/2 |
| C. Hip (Inches) | 26 3/4 - 28 3/8 |
28 3/8 - 29 7/8 |
29 7/8 - 31 1/2 |
31 1/2 - 33 1/8 |
| D. Thigh (Inches) | 15 3/4 - 16 1/2 |
16 1/2 - 17 3/8 |
1 3/8 - 18 1/8 |
18 1/8 - 18 7/8 |
| E. Inseam (Inches) | 20 1/8 - 22 1/4 |
22 1/4 - 24 1/4 |
24 1/4 - 26 1/8 |
26 1/8 - 28 1/8 |
| F. Arm Length (Inches) | 15 6/8 - 17 3/8 |
17 3/8 - 18 7/8 |
18 7/8 - 20 1/2 |
20 1/2 - 22 |
| G. Height (Inches) | 47 1/4 - 51 1/8 |
51 1/8 - 55 1/8 |
55 1/8 - 59 |
59 - 63 |
Apparel size chart (cm)
| Size | 120 | 130 | 140 | 150 |
| International Size | S | M | L | XL |
| U.S. Size | 22 | 24 | 26 | 28 |
| YEARS | 6 | 7-8 | 9-10 | 11-12 |
| A. Chest (cm) | 60.5 - 65.5 | 65.5 - 70.5 | 70.5 - 75.5 | 75.5 - 80.5 |
| B. Waist (cm) | 54 - 58 | 58 - 62 | 62 - 66 | 66 - 70 |
| C. Hip (cm) | 68 - 72 | 72 - 76 | 75 -80 | 80 - 84 |
| D. Thigh (cm) | 40 - 42 | 42 - 44 | 44 - 46 | 46 - 48 |
| E. Inseam (cm) | 51.1 - 56.5 | 56.5 - 61.5 | 61.5 - 66.5 | 66.5 - 71.5 |
| F. Outer Arm (cm) | 40 - 44 | 44 - 48 | 48 - 52 | 52 - 56 |
| G. Height (cm) | 120 - 130 | 130 - 140 | 140 - 150 | 150 - 160 |
| DR MOTO Tauranga |
Not Available
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| NZ Warehouse |
Not Available
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SHIPPING
SHIPPING
Shipping – New Zealand
Orders may be dispatched from our warehouses across New Zealand. Where possible, we’ll ship from the closest location with stock available.
Free shipping on orders over $199.
Excludes motorcycles, ATVs, electric bikes, tyres, bulky items and dangerous goods.
Most orders arrive within 1–3 business days. Please allow additional time for rural delivery.
We can also deliver to your workplace.
RETURNS
RETURNS
**Please choose carefully - no refunds or exchanges on clearance items.**
If you are unsure about fitment or sizing, please contact us first.
Any goods purchased from DR MOTO can be returned within 14 days of receipt for refund or exchange less any freight expenses and the order meets our explicit terms and conditions.
The goods must be returned new, unused, unaltered, not previously installed, and in a sellable condition with all of the original packaging.
This right of return will not cover items that are special orders and found to be an incorrect fit, this is the responsibility of the purchaser, however all other standard warranties will apply.
Freight costs will not be refunded.
Please refer to our returns policy for full terms & conditions.
FITMENT GUIDE
FITMENT GUIDE
For direct bike fitment please use our SEEKER PARTS FINDER
For clothing fitment and product information guide CLICK HERE
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Alpinestars 2026 Fluid Portl Youth Mx Pants - UCLA Blue/White
The Alpinestars Youth Fluid Portl Pants deliver comfort, mobility, and durability for young riders who want performance-driven MX gear inspired by the Supertech, Techstar, and Racer lines. Developed and tested on rugged terrain worldwide, the Youth Fluid collection offers the most relaxed fit in the MX26 lineup while maintaining an athletic cut tailored for riders aged 5 to 15.
Lightweight, flexible, and built for off-road riding, these pants provide young riders with the freedom of movement and durability needed for motocross, trail riding, and weekend adventures.
Key Features
• Enhanced Performance & Comfort: Lightweight polyfabric chassis, stretch corduroy panels, and pre-curved legs deliver excellent flexibility and comfort in the riding position.
• Ergonomic 3D Pattern: Advanced ergonomic cut ensures premium mobility, comfort, and fit for growing riders.
Construction
• Durable 600D polyfabric main chassis, with reinforced 600D panels at the seat and knees for long-lasting durability
• Extended stretch corduroy panels at the crotch, knees, back yoke, and inside legs for unrestricted movement
• High-performance synthetic leather inner knee panels provide premium grip, heat resistance, and abrasion durability
• Secure ratchet waist closure for a personalised, adjustable fit
• Soft mesh interior lining enhances breathability and comfort
• Durable zippered fly for ease of use
Proudly supplied by DR MOTO — your trusted Alpinestars dealer, helping riders stay protected with gear we truly stand behind.