D3O Ghost Back Protector Size:Medium - Main Module: 82mm x

- Main Module: 82mm x 39mm x 33 mm (3

and that makes this the easiest helmet to endorse ever—it’s got em all

It even works with Apple MagSafe accessories

it’s all one piece

- Bluetooth Intercom: up to 2 km (1

D3O Ghost Back Protector Size:Medium - Main Module: 82mm xThe D3O Ghost CE Level 1 back protector is the thinnest, most flexible back protector on the market. Okay, so what's the catch? Made with D3O's open geometry Impact Print technology, the Ghost Back protector delivers unmatched freedom of movement. But here's the rubthis Ghost back protector is heavier, by about a third, over the tried and true, standard bearer Level 1 Viper back protector. Our scale reads 316 grams for a size large, CE level 1 Viper