Amazon Retrospec  
17-02-2019 03:32 am
Traverse Sports Dirus Convertible Ski & Snowboard/Bike & Helmet, Matte Obsidian, Small (51-55cm)
10 vents for ultimate temperature regulation with unyielding ABS shell exterior and firm, shock-absorbent EPS interior
Adjustable dial to customize fit.: Measure the circumference of your head. Put the measuring tape about 1cm above your eyebrows and go all the way round your head in an even loop
Removable plush earmuffs for warmth and protection
Goggle clip to keep eyewear attached
Replaceable foam pieces to transform into bike helmet
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