Analysis of information sources in references of the Wikipedia article "Space suit" in English language version.
Crew Dragon carries sufficient breathable gas stores to allow for a safe return to Earth in the event of a leak of up to an equivalent orifice of 0.25 inches in diameter. As an extra level of protection, the crew will wear SpaceX-designed space suits to protect them from a rapid cabin depressurization emergency event of even greater severity. The suits and the vehicle itself will be rated for operation at vacuum.
In the 1990s, several years after the first American women flew to space, budget cuts forced NASA to trim its space-suit program...The limited sizing affected some astronaut duties.
Musk said at a press conference after the launch that there were no sensors in the suit.
Crew Dragon carries sufficient breathable gas stores to allow for a safe return to Earth in the event of a leak of up to an equivalent orifice of 0.25 inches in diameter. As an extra level of protection, the crew will wear SpaceX-designed space suits to protect them from a rapid cabin depressurization emergency event of even greater severity. The suits and the vehicle itself will be rated for operation at vacuum.