HELMYY CORE
HELMYY

HELMYY CORE

The helmet you never knew you needed.

Industrial standard certified helmets (TISI มอก. 369-2557) built for city commuters. Now ready to be yours.

The Helmet

Meet the HELMYY Core.

Thai Industrial Standard certified (TISI มอก. 369-2557). A new everyday essential you didn't know you needed.

HELMYY Core studio
HELMYY Core pair
HELMYY Core on stand
HELMYY Core with shield portrait
HELMYY Core detail
HELMYY Core portrait
HELMYY Core studio floor
HELMYY Core lifestyle
HELMYY Core pearl white
HELMYY Core street lifestyle
HELMYY Core stacked
HELMYY Core matte black
HELMYY Core on riders
HELMYY Core studio
HELMYY Core pair
HELMYY Core on stand
HELMYY Core with shield portrait
HELMYY Core detail
HELMYY Core portrait
HELMYY Core studio floor
HELMYY Core lifestyle
HELMYY Core pearl white
HELMYY Core street lifestyle
HELMYY Core stacked
HELMYY Core matte black
HELMYY Core on riders

Available in 2 colors: Pearl White and Matte Black.

Design & material+

The HELMYY Core helmet is a Thai Industrial Standard (TIS มอก. 369-2557) certified open-face helmet for Bangkok’s city commuters — meeting the national benchmark for helmet safety in Thailand.

Built with:

  • High-impact ABS Grade NRS 110 helmet shell used in professional safety gear worldwide.
  • EPS absorption foam beneath the shell for impact reduction.
  • Soft padded chin strap with a micro-metric safety buckle for easy wearing.
  • Industrial-grade coating that holds up through heat, rain, and humidity.

Designed with:

  • The HELMYY “CarryLoop” — built-in strap holder so you can carry your HELMYY your way, over your shoulder, cross-body, wherever you go. Official HELMYY Straps coming soon.
  • Mix & Match Shields — all HELMYY Shields are removable, re-attachable, and recommended for enhanced protection (sold separately).
Size & fit+

Sizes S–XXL · Head circumference 53–64 cm.

Find your HELMYY size by wrapping a soft tape measure around your head, ~2-3cm above eyebrows and ears. If you're in between sizes, we recommend sizing down to ensure a snug fit.

HELMYY
SIZE
HEAD
CIRCUMFERENCE
S53–56 cm
M57–58 cm
L59–60 cm
XL61–62 cm
XXL63–64 cm
Correct vs incorrect head measurement positions
Exchanges & returns+
  • One size exchange within 7 days of delivery. Item must be unused and in original packaging with product tag intact.
  • No change-of-mind returns.
  • Contact @helmyy.co on LINE to initiate exchange.
Price+
  • HELMYY Core helmet in Pearl White: THB 2,890
  • HELMYY Core helmet in Matte Black: THB 2,690

The Shield

The HELMYY Classic Shield.

Mix & match. Pair your HELMYY Core with the HELMYY Classic Shield for enhanced protection.

HELMYY Core with shield on red
HELMYY Classic Shield smoke
HELMYY Classic Shield iridescent stacked
HELMYY Classic Shield iridescent
HELMYY Core with shield editorial
HELMYY Core with iridescent shield studio
HELMYY Classic Shield clear
HELMYY Core with shield portrait
HELMYY Core with shield on red
HELMYY Classic Shield smoke
HELMYY Classic Shield iridescent stacked
HELMYY Classic Shield iridescent
HELMYY Core with shield editorial
HELMYY Core with iridescent shield studio
HELMYY Classic Shield clear
HELMYY Core with shield portrait

Available in 3 colors: Clear, Silver, and Iridescent.

Design & material+

Pair your HELMYY Core with the HELMYY Classic Shield for enhanced protection:

  • Durable polycarbonate (PC) material — lightweight, impact-resistant, and recyclable after use.
  • Optimized for daytime visibility with high optical clarity. Visibility may be slightly reduced at night or in low-light conditions — ride with caution.
  • Protects against dust, debris, and wind.
  • Smooth finish that wipes clean effortlessly.
Size & fit+
One-size. Compatible with all HELMYY Core helmets (sold separately).
Exchanges & returns+
Shields are only eligible for exchange if they have a manufacturing defect (photo proof required). Exchanges for color preference or other non-defect reasons are not accepted.
Price+
  • HELMYY Classic Shield in Clear & Silver: THB 1,090
  • HELMYY Classic Shield in Iridescent: THB 1,190

The Strap

The HELMYY Mariner Chain Strap.

Let HELMYY be a part of your everyday and carry it with the HELMYY Mariner Chain Strap. Designed exclusively for HELMYY Core helmets.

HELMYY Mariner Chain Strap
HELMYY Mariner Chain Strap with HELMYY Core
HELMYY Mariner Chain Strap cross-body
HELMYY Mariner Chain Strap shoulder-carry
HELMYY Mariner Chain Strap hand-carry
HELMYY Mariner Chain Strap detail
HELMYY Mariner Chain Strap clip detail
HELMYY Mariner Chain Strap
HELMYY Mariner Chain Strap with HELMYY Core
HELMYY Mariner Chain Strap cross-body
HELMYY Mariner Chain Strap shoulder-carry
HELMYY Mariner Chain Strap hand-carry
HELMYY Mariner Chain Strap detail
HELMYY Mariner Chain Strap clip detail

Available in 3 lengths: Short (30cm), Medium (80cm), and Long (115cm).

Design & material+

Designed exclusively for HELMYY Core helmets, the HELMYY Mariner Chain Strap lets you carry your helmet with style long after the ride is over. Like it belongs.

  • Made from zinc alloy — Durably built for everyday use without rusting or fading.
  • Polished shiny finish — A refined shine that complements both the Matte Black and Pearl White HELMYY Core helmets.
  • Easy clip-on — Easily attaches to the HELMYY CarryLoop. No tools needed–just clip on and go.
Size & price+

Available in 3 lengths:

  • Short (30 cm) — ฿890

    For hand-carry. Clean, compact, and always within reach.

  • Medium (80 cm) — ฿1,090

    For shoulder-carry. Comfortable for everyday errands and city rides.

  • Long (115 cm) — ฿1,290

    For cross-body wear. Keep both hands free wherever you’re headed.

Exchanges & returns+
Straps are only eligible for exchange if they have a manufacturing defect (photo proof required). Exchanges for length preference or other non-defect reasons are not accepted.

The Facts

Why HELMYY?

Every detail of HELMYY was designed to create a helmet you’ll actually want to wear—combining certified safety, everyday comfort, and timeless design that looks as good off the bike as it does on it.

Certified safety

Certified safety

TIS มอก. 369-2557 certified, Thailand's national benchmark for helmet safety.

Built for the city

Built for the city

Lightweight and portable — easy to wear, easy to carry.

Where function meets form

Where function meets form

Designed with timeless elements. With room to make it yours.

Lookbook

Rides with the @GOTMYHELMYY gang.

See how others style theirs, and find inspiration for your own ride.

Questions

Answers, before you ride.

How do I choose my size?

Find your HELMYY size by wrapping a soft tape measure around your head, ~2-3cm above eyebrows and ears. If you're in between sizes, we recommend sizing down to ensure a snug fit.

HELMYY
SIZE
HEAD
CIRCUMFERENCE
S53–56 cm
M57–58 cm
L59–60 cm
XL61–62 cm
XXL63–64 cm
Correct vs incorrect head measurement positions
Is the helmet certified?

Yes. Every HELMYY helmet meets the Thai Industrial Standard (TISI มอก. 369-2557) issued by the Ministry of Industry Thailand. This is the national standard for motorcycle helmet safety in the country, giving you confidence every time you ride with HELMYY.

What's included?

HELMYY Core helmets, shields, and straps are sold separately, so you can choose the combination that best suits your ride.

All HELMYY Core helmet purchases come with a complimentary dust bag to keep your HELMYY safe and dust-free when not in use.

How long does shipping take?

Orders are dispatched on the same day if placed before 12:00 PM and the next day if placed after 12:00 PM via Flash Express. Deliveries typically take 1-2 days depending on your location.

Can I exchange my size?

Yes, you may exchange your helmet for another size provided it is unused, in its original condition with product tag intact, and returned within 7 days after receiving the order. An 80 baht exchange fee and shipping fees apply. Please contact us on LINE or Instagram at @helmyy.co.

*Returns are not allowed.

Ready to ride differently?

Get Yours on LINE

Official IG @helmyy.co
Community IG @gotmyhelmyy
LINE OA & LINE MyShop @helmyy.co