spigen slim armor cs designed for iphone xs case (2018) / designed for iphone x case (2017) - rose gold spigen bolstered protection meets practical storage in the slim armor cs. its dual-layer structure is designed to be pocket-friendly, with air cushion technology packed into every corner for extreme defense. the back slides open for quick and easy access to cash or card storage. even with all of the extra protection, the case remains slim and pocket-friendly.