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The Lunar Extravehicular Visor Assembly or "LEVA" attached directly to the EMU suit by a pressure-sealing neck ring, providing visual, thermal, and mechanical protection to the Apollo astronaut's head while still allowing him complete range of motion inside.

LEVA
The A7L LEVA featured a wraparound fabric thermal cover with track-mounted sideshade panels for eye protection. The layered visor system consisted of an inner "protective visor" made of ultraviolet-stabilized polycarbonate for filtering UV rays and infrared, and an outer "sun visor" of gold-tinted high temperature polysulfone plastic for filtering visible light and additional UV/IR protection.