The cold weather in Mongolia is not a problem for Thai players, assistant coach Choketawee Promrut said yesterday.
The Thai U23 side are preparing to play in the AFC U23 Championship qualifying round in Ulaanbaatar next week.
They arrived in Mongolia on Monday and began training yesterday.
"Initially, we expected to face freezing conditions but it is not as cold as we thought," Choketawee said.
They had a light training session and learned tactics of coach Worrawoot Srimaka yesterday.
"I think it won't take long before they understand Worrawoot's tactics," Choketawee said.
Thailand are in Group J with Mongolia, Laos and Malaysia.
The Thais take on the hosts on Oct 25, Laos on Oct 28 and Malaysia on Oct 31.
The 11 group winners plus four best second-placed sides join hosts Uzbekistan in the finals in June 2022.
Meanwhile, Thanawat Suengchitthawon, of English Premier League club Leicester City, said he is proud to be appointed as captain of the Thai U23 team.
"I am happy and proud of being appointed as captain of the team," the midfielder said.
"I don't have problems with my fitness [after a long flight from England]. I am ready to play and help the team."
Worrawoot said: "Thanawat has already played for the [senior] national team. He has the ability and leadership qualities. We believe that he can help and give confidence to teammates."