Complex sentence: Almost all Conservative synagogues require men to wear a head covering (usually a kippah), but in Reform synagogues there is often no requirement but kippot may be provided to anybody who wishes to wear them.
Split into simpler sentences: Almost all Conservative synagogues require men to wear a head covering (usually a kippah), but in Reform synagogues there is often no requirement. However, kippot may be provided to anybody who wishes to wear them.