6. Inventories

Inventories consists of the following:

	June 24, 2018			June 25, 2017
Raw materials	$	45,448		$	36,748
Supplies		7,314			6,104
Work in process		8,834			7,399
Finished goods		66,314			63,121
Gross inventories		127,910			113,372
Inventory reserves		(1,599	)		(1,967	)
Total inventories	$	126,311		$	111,405

The cost for the majority of UNIFI’s inventories is determined using the first-in, first-out method. Certain foreign inventories and limited categories of supplies of $39,870 and $33,231 as of June 24, 2018 and June 25, 2017, respectively, were valued under the average cost method.