Not sure on size? We call every customer to confirm fit before shipping.

Approximate adult measurements
T360 / B180
Final fit may vary depending on head shape and comfort preference.| Helmet size | In | CM | Hat size |
|---|---|---|---|
| 2XS | 19.75 - 20.25 | 50.2 - 51.4 | - |
| XS | 20.5 - 21.0 | 52.1 - 53.3 | - |
| S | 21.25 - 21.75 | 54.0 - 55.2 | 6⅞ – 7 |
| M | 22.0 - 22.5 | 55.9 - 57.2 | 7⅛ – 7¼ |
| L | 22.75 - 23.25 | 57.8 - 59.1 | 7⅜ – 7¼ |
| XL | 23.5 - 24.0 | 59.7 - 61.0 | 7⅝ – 7¾ |
| 2XL | 24.25 - 24.75 | 61.6 - 62.9 | 7⅞ |
- Fit styleA snug fit at first is normal. The liner molds to your head after a few rides.
- Between sizes?For a tighter fit, size down. The comfort liner will break in slightly over time.
- We call to confirmEvery order gets a sizing confirmation call to help ensure the right fit before shipping.
Built for the ride. Worn your way.
MadDog Premier Signature Series. (BRIM FRONT - DOT BACK)
Purple MicroDOT Twister can be worn forward to block the sun when out AND backward for maximum aerodynamic performance at high speeds.
Unique Features
- Uniquely Named for its Reversible Design
- Wear it in Either Direction with Exact Comfort
- Shades the Sun with a Functional Visor when Worn Brim Forward
- Gives a Unique Look When Worn Brim Backward
- A Fully Customizable Fabric Liner Ensures a Snug, Comfortable Fit Preventing Helmet Lift at High Speed and Keeps Your Helmet Fresh with a Reduced Itch Factor
- A Quick Release Ratchet Design with Super Silky Customizable Strap
- Transitional Paint Finish, Shifting from a Sleek Black Gloss to a Captivating Midnight Purple in the Sunlight
Standard Features
- Ultra-Light Weight Design Weighs Less Than a Standard Bottle of Water!
- Lowest Profile Available while Maintaining DOT Certification
- 1" Thick Polystyrene Protection Layer Meets the Minimum Requirement for DOT Certification
- Customizable, Quick Release Safety Strap for an Easy On and Off Experience
- Fiberglass Shell Provides for Greater Energy Diffusion
- Fiberglass Shell Coated with a High Impact Resin for Superior Energy Diffusion
- Lifetime Warranty Against Safety Feature Defects
- FREE Accident Replacement Guarantee
Sizing & Warranty
Since our designs are proprietary, our helmets DO NOT fit like the cheaper universal helmets. Please measure your head before ordering. Just in case, we always call you to confirm the correct size and see if we can answer any other sizing questions before shipment.
The Best Fit is an Initially Snug Fit. Our helmets mold to your head after a short period of usage.
Lifetime Warranty against all Safety Feature Defects. Free Replacement if in Verifiable Accident. (Police Report Required)
Why Riders Choose This Helmet
FAQ
Is this helmet DOT approved?
How do I determine the correct size?
What if I am between sizes?
Can I wear this helmet under another helmet or hat?
Is this helmet legal in my state?
What is included in the warranty?
Warranty
Returns
Complete Your Ride
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MicroDOT Riding Glasses
$10.00