S1 Lifer Certified Derby Helmet - Watermelon- PREORDER FOR LATE JULY
S1 Lifer Watermelon Helmet

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Our Price: $64.99

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Protect your melon with this awesome watermelon detail helmet from Skate House Media and S1 Helmets.
The S1 Lifer Helmet is one of the best-fitting and safest helmets for skateboarding, longboarding, BMX and roller derby. The Lifer Helmet uses a specially formulated EPS Fusion Foam which allows it to protect your head from multiple low force impacts as well as high impacts. The Lifer Helmet is a Certified "multi-impact" helmet and is up to 5X more protective than the soft foam non-certified helmets. The Lifer helmet is a break-through design combining the added safety of a CPSC and ASTM certified helmet with the comfort and fit of a non-certified helmet.


  • S1 Lifer Helmet fits heads 20.5” – 23.5"
  • Specially formulated EPS Fusion Foam
  • Certified Multi-Impact (ASTM)
  • Certified High Impact (CPSC)
  • 5X More Protective Than Regular Skate Helmets
  • Deep Fit Design
  • Includes 3 sets of sizing liners to customize your fit

Sizing Guidelines: All Lifer helmet have the same size shells. You fit the interior to your head using sizing liners of different thicknesses. See image on how to measure your head, then pick corresponding liner size from this list. This is what you will choose for "Helmet Size."

  • XS (grey): 20.5"
  • S (red): 21"
  • M (beige): 21.5"
  • L (black): 22"
  • XL (green): 22.5"
  • XXL (blue): 23"
  • XXXL (purple): 23.5"
Questions about S1 helmet sizing? Call Medusa Skates at (512) 203-7203 or email medusaskates@gmail.com. We’re happy to help!

Hard Foam Helmet vs Traditional Soft Foam Helmets

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 2 Write a review »

  0 of 0 people found the following review helpful:
5 of 5 Watermelon helmet June 14, 2020
Reviewer: Jasmine Martinez from Lakeside, CA United States  
I’m so happy I found your site. Called, ordered it and received it in 3 days. So so satisfied! The helmet fit perfectly, it’s glossy and more beautiful in person. Thank you Magic at Medusa Skates. Excellent customer service!

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  0 of 0 people found the following review helpful:
5 of 5 Helmet January 31, 2017
Reviewer: Melissa Schiavo from Lake view terrace, CA United States  
My son needed a new helmet we got it in the mail so quick it was amazing.  Thanks

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