off season 
noun
1A time of year when a particular activity, typically a sport, is not engaged in: the cricket club played soccer in the off season...
- She will spend the off-season playing overseas.
- To ensure that she was bringing her own best, Holdsclaw, 25, decided to spend part of the off-season playing overseas in Korea.
- Toronto has a Blue Jay Caravan that in the off-season goes across Canada putting on baseball clinics.
1.1A time of year when business in a particular sphere is slack: [as modifier]: off-season reductions...
- The off-season rate made it a great deal: For two nights with 10 percent hotel tax, the tab came to $173.80.
- Prices in season can often be Manhattan-high, with hotel rooms going for double and triple their off-season rate.
- The company has expanded its vegetable line of products to take advantage of the off-season market in the European Union.