SKU: 12020650711

Mainline Helmet

Sale price$157.50 Regular price$175.00
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Mainline HelmetGive credit where credit's due. Thank your mom, your legs, and your gear for giving you the opportunity to land that rocky gap. Made for going big, going fast, or both, the Smith Mainline is our pinnacle, downhill certified enduro bike helmet. Safety innovations like Koroyd and MIPS provide energy absorbing impact protection so you have the confidence to get aggressive on the trail. It doesn't matter if you're slaying the EWS in Whistler or suffering

Give credit where credit's due. Thank your mom, your legs, and your gear for giving you the opportunity to land that rocky gap. Made for going big, going fast, or both, the Smith Mainline is our pinnacle, downhill certified enduro bike helmet. Safety innovations like Koroyd™ and MIPS® provide energy-absorbing impact protection so you have the confidence to get aggressive on the trail. It doesn't matter if you're slaying the EWS in Whistler or suffering through the last stage of your local enduro race, you need a breathable, lightweight helmet that pairs well with goggles and fits like a glove. The Mainline integrates with your bike goggles for efficient venting and fog-free vision. Multiple pad sets including liners and neck-rolls let you customize the fit.

FEATURES:

  • Protection
    • Complete Koroyd® coverage for lightweight, energy-absorbing and ventilated impact protection
    • MIPS® Brain Protection System reduces rotational forces caused by angled impacts to the head
    • CPSC CE EN 1078 and ASTM F1952 downhill certified
  • Fit / Integration
    • Designed for ultimate integration with Smith performance goggles for maximum comfort, venting and storage convenience
    • AirEvac™ ventilation system integrates with Smith goggles for fog-free lenses
    • Three washable cheek pad kits, two crown liners and two neck rolls let you fine tune the fit
    • D-ring chin strap fastener for a snug fit

SPECS:

  • 21 fixed vents for consistent airflow
  • Adjustable visor
  • Hybrid X-STATIC® / Ionic+® anti-bacterial performance lining for odor resistance
  • Weight (Size M, MIPS®): 27 oz / 770 g
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 12020650711

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 1796 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
D
Verified Purchase
Delores Joseph
Phoenix, US
★★★★★ 5
Best hair growth and nourishment
Works instantly to nourish hair and it’s better than expected with more to come.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 26, 2025
A
Verified Purchase
Amazon Customer
Louisville, US
★★★★★ 3
Not for anyone who has a sensitive nose.
Smooth feel and very moisturizing. Product needs to be washed out of hair and the aroma is over powering to the point where it did not agree with me. I will not buy this again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
A
Verified Purchase
Anil W
Phoenix, US
★★★★★ 4
Good oil
Good pure oil, helps moisturize hair and is the smell is ok. Easy to apply and helps the hair shine..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2025
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 1
Air product
I used it , it made my hair feel great but in the morning I find my hair to be dry and it feels like I didn’t put anything on it and as far as hair growth I don’t see it . And it did not make my hair any stronger it’s still breaking .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2025
O
Verified Purchase
Osazee Sarah Bello
Birmingham, US
★★★★★ 5
Wait to see
I am just starting to use it and I have to use it for a couple of weeks to help me know if it’s works but what I notice after applying it to my hair it’s just makes it so smooth and soft
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026

recommand products