After years of R&D development and working with the Neurotrama Impact Science Laboratory CCM has created the new Tacks 910 helmet. The new 910 features a new fluid pod system that are strategically placed with the liner for pro level protection and a new I.Q Shion Gel Memory Foam liner for superior comfort. The liner still features D3O smart material to really provide an elite level of protection. Keeping in line with a similar look to the current Tacks helmet the new 910 helmets shell has that pro approved look that definitely passes the mirror test. SHELL ADJUSTMENT CCM still features a tool-free adjustment system while also introducing a self-adjusting occipital support system to really help that helmet fit secure to your head without taking away any comfort. SIZES Small - 52.5 - 57 cm / 6 1/2 - 7 1/8 Medium - 55.5 - 60 cm / 7 - 7 1/2 Large - 58.5 - 63 cm / 7 3/8 - 8
