US Patent 10980307 Helmet system

A helmet system includes: a helmet shell; right and left bottom guards; a head strap comprising a head band and a plurality of flexible tethers, including a main tether stem and a tether connector, including a connector stem and a connector blocking member, such that the flexible tethers protrude from an outer periphery of the head band and are connected to tether apertures in the helmet shell. The head band can optionally include an opening with a band lock, and right and left upward curved sections. The helmet system can optionally include shoulder pads.