You can purchase the Seat Selection service:
Book online - it's faster and cheaper: during the booking process, in the "Seat selection" section, choose a standard seat or seats with increased legroom - XL and XXL seats *.
Seats with a standard legroom
Seats with an increased legroom
the most comfortable seats in the cabin with a maximum legroom
Important: The XXL seats located next to the emergency exits cannot be occupied by pregnant women, clients under the age of 18, clients with children, clients with pets, and clients with disabilities. «Full XXL-seat service rules»
*Please note that some aircraft have a separation wall and, when 1A-1C XXL seats are selected, there may be less legroom than on 2D-2F seats or on seats at the emergency exit.