In the ending of The Dark Knight Rises it seems more like John Blake becomes Batman, but it would also be cool for him to adopt as Dick Grayson's Nightwing. Bruce Wayne actually explains that Batman could be anyone so it would be more ideal for Blake to take over the role.

Nightwing Suit: Nightwing's costume was built by Dick Grayson himself and specifically designed for his abilities. It appears to be light-sensitive, grows darker or lighter depending on lighting conditions in order to utilize Nightwing's mastery of stealth. It is fire resistant and bulletproof so that it provides Nightwing complete mobility and protection against advanced weaponry.

Mask: Nightwing's mask, containing an electronic transmitter/receiver and green night lenses, attaches via use of "spirit gum”.morphsuit spiderman

Gauntlets: Each gauntlet's 8 sections can contain a wide array of equipment, such as: spare Nightarangs, lock pick, smoke pellets, knockout gas, jump lines (both automatic and manual), first aid kit, and a mini-saw.