no its just like the normal ones
t90 omni ball - http://www.epltalk.com/wp-content/uploads/2008/06/official-premier-league-ball.jpg
''omni'' is a term meaning all totally e.g omni-present (be in many places at the same time), omni-science (knows everything to infinity) While multi stand for many especially more than two e.g multi-lateral (more than two contries).
There are many types of Materials for coats. There are "wicking" materials, (wicking means ability to like soak up sweat) witch are: Polypropylene Nike Dry-Fit Omni-Dry Gortex Wool There are also materials that can Keep you warm and dry. Such as, Omni-heat and wool There are some materials used for a coat =)
Omni tires are made by Omni United in Singapore. I have no reports of whether they are good or not.
Omni Superstore ended in 1997.
Omni Superstore was created in 1986.
The Omni Group was created in 1989.
Omni - magazine - was created in 1978.
Omni - magazine - ended in 1998.
Omni Coliseum was created in 1972.
Omni Coliseum ended in 1997.