The term 'Astronaut Wear' refers to the specialized clothing worn by astronauts during space missions. The crossword solutions for this term are MAE (3 letters) and GSUIT (5 letters). MAE stands for 'Manned Maneuvering Unit Extra-Vehicular Activity' and is a type of space suit designed for extra-vehicular activities such as spacewalks. GSUIT stands for 'G-Suit' and is a type of pressure suit worn by astronauts to protect them from the extreme g-forces experienced during launch and re-entry. Both MAE and GSUIT are essential components of astronaut wear.