smith adult helmet Optics Holt Park Snow Helmets Smith has been crafting and selling top of the line optics for over 50 years Smith Rodeo Round Fit MIPS

No wasted battery

How it stands out: This helmet uses a durable polycarbonate shell over an EPS foam liner and integrates the MIPS system to reduce rotational forces during angled impacts

Its suited for riders seeking a lightweight, open-face helmet with additional sun protection

I read recently that Mazda's i-Eloop regenerative braking technology is using a circuit design leveraging this idea to cut down the alternator load on some of their vehicles, thus increasing their fuel efficiency

The HydraPak Flux Bottle (1.5L/50 oz., $60, 4.3 oz./122g, and 1L/32 oz., $29, 2.7 oz./76.5g) has taken the packability and low weight of a soft bottle and married it to the convenience of a hard bottles rigidity for standing up and refilling