Search query: smallest dot approved motorcycle helmet

Product: bikerhelmets.com Crazy ALS Maltese SOA Worlds Smallest Helmet in Large (Flat Black, l) for 23 1/4 inch to 23 and 5/8 inch Head Size.
Brand: bikerhelmets.com
Color: flat black
Relevance: Substitute
mayan helmet worn in the mayan show trooper helmet blister helmet
Never have mushroom head again
quick release straps
Ultra Low profile

Product: ILM Motorcycle Half Helmet with Sunshield Quick Release Strap Half Face Fit for Cruiser Scooter Harley DOT Approved
Brand: ILM
Color: Matte Black
Relevance: Exact
Note：
This motorcycle half helmet may not fit long flat head.
You'd better not wear headwears when equiped with a helmet as it will stick into the soft liners and make it difficult for you to take off the helmet.
RETRACTABLE VISOR - Helmet is equipped with a retractable, tinted sun visor so that you don’t have to carry sunglasses with you. The visor can be retracted into the helmet when not needed. When retracted, the visor is almost invisible in the overall helmet design.
ADJUSTABLE CHIN STRAP - The helmet has an adjustable quick release chin strap equipped with sliders around the ear-loops in order to accommodate for any head size or shape. The straps are easily adjustable and, when adjusted correctly, provide maximum protection with maximum comfort.
DOT FMVSS.218 CERTIFIED - The helmet meets all requirements for DOT FMVSS.218 certification and every batch of helmets undergoes random quality checks in order to make sure the highest quality product is the one your receive.
CLASSIC HALF HELMET DESIGN - The helmet has a classic half-helmet design reminiscent of early riding helmets. Coming in matte black or glossy black, this helmet will look sleek with any bike.
LIGHT WEIGHT AND SMALL FOOTPRINT - The helmet is incredibly light weight, weighing in at around 2.07 lbs. The helmet’s small design means that it can easily be slipped into a backpack, under a bike seat or carried under your arm without any effort.