The essential part of the helmet for impact protection is a thick layer of firm polystyrene, or plastic foam, that crushes on impact, absorbing the force of the blow
On the outside at the front there is the smooth hard panel which protects the gear inside
Were experienced hikers, so going up to watch sunset and then going back down with headlamps would be doable
They conducted a total of 72 freefall drop tests of a single helmet model, with and without MIPS, onto a 45 angled anvil and measured many variables, such as peak linear (PLA) and angular acceleration (PAA), as well as the brain injury criterion
A good rule of thumb on the Spark shad is to use a 5/0 or 6/0 on the 5 inch, 4/0 on the 4 inch, and 3/0 on the 3 inch Attention to Detail Make sure when you rig your swimbait that the hook point comes out exactly in the center of the body and through the top