LA Derby Dolls : The Swarm wear the S-One Lifer Helmets

If you are looking for the best fitting and most protective helmet for roller derby than

you should def check out the S-One Lifer Helmet.

The S-One Lifer Helmet is CPSC Certified to the US Helmet Safety 
Standards for skateboarding, 

roller skating and cycling. This helmet is 5x safer than the "soft foam" or "multiple impact" helmets. 

If you are going to wear a helmet don't you want the most protective helmet? If you go down hard you need a helmet that can absorb the impact. Soft Foam helmets do not even come close to passing the CPSC impact test

The S-One Lifer Helmets are available

in the following colors:

Black Matte, Black Gloss, White, Grey Matte, Citrus Matte, Cyan Matte,

Bright Green Matte, Metallic Gold, Navy Matte, Dark Green Matte, Hot Pink, Purple Matte.