At first glance

The Speedframe Pro is a premium open face trail helmet from Fox that has been developed with direct input from Fox sponsored riders

Hub Colour: Black

Weight: 242g

but it's a folding style tool so it can't be that big

TLD Flowline SE MIPS Helmet - M/L - Badge Charcoal PLP|Colour At first glanceThe trail rider's workhorse. Mips equipped and eMTB rated, Flowline SE sets the standard for safety within a modern, minimalist design, achieving a five star safety rating from Virginia Tech. With 14 vents, an anti microbial liner, and a Fidlock magnetic buckle system, Flowline SE is the workhorse of trail helmets. Features 3 way adjustable screwless visor Mips B Series Rotational Impact Brain Protection System Full 360 degree fit retention system