year ended december 31 , 2006 compared to year ended december 31 , 2005 net revenues increased $ 149.6 million , or 53.2% ( 53.2 % ) , to $ 430.7 million in 2006 from $ 281.1 million in 2005 . this increase was the result of increases in both our net sales and license revenues as noted in the product category table below. .

( in thousands )	year ended december 31 , 2006	year ended december 31 , 2005	year ended december 31 , $ change	year ended december 31 , % (  % ) change
men 2019s	$ 255681	$ 189596	$ 66085	34.9% ( 34.9 % )
women 2019s	85695	53500	32195	60.2% ( 60.2 % )
youth	31845	18784	13061	69.5% ( 69.5 % )
apparel	373221	261880	111341	42.5% ( 42.5 % )
footwear	26874	2014	26874	2014
accessories	14897	9409	5488	58.3% ( 58.3 % )
total net sales	414992	271289	143703	53.0% ( 53.0 % )
license revenues	15697	9764	5933	60.8% ( 60.8 % )
total net revenues	$ 430689	$ 281053	$ 149636	53.2% ( 53.2 % )

net sales increased $ 143.7 million , or 53.0% ( 53.0 % ) , to $ 415.0 million for the year ended december 31 , 2006 from $ 271.3 million during the same period in 2005 as noted in the table above . the increase in net sales primarily reflects : 2022 $ 26.9 million of footwear product sales , primarily football cleats introduced in the second quarter of 2006 , and baseball cleats introduced in the fourth quarter of 2006 ; 2022 continued unit volume growth of our existing products , such as coldgear ae compression products , primarily sold to existing retail customers due to additional retail stores and expanded floor space ; 2022 growth in the average selling price of apparel products within all categories ; 2022 increased women 2019s and youth market penetration by leveraging current customer relationships ; and 2022 product introductions subsequent to december 31 , 2005 within all product categories , most significantly in our compression and training products . license revenues increased $ 5.9 million , or 60.8% ( 60.8 % ) , to $ 15.7 million for the year ended december 31 , 2006 from $ 9.8 million during the same period in 2005 . this increase in license revenues was a result of increased sales by our licensees due to increased distribution , continued unit volume growth , new product offerings and new licensing agreements , which included distribution of products to college bookstores and golf pro shops . gross profit increased $ 79.7 million to $ 215.6 million in 2006 from $ 135.9 million in 2005 . gross profit as a percentage of net revenues , or gross margin , increased approximately 180 basis points to 50.1% ( 50.1 % ) in 2006 from 48.3% ( 48.3 % ) in 2005 . this increase in gross margin was primarily driven by the following : 2022 lower product costs as a result of variations in product mix and greater supplier discounts for increased volume and lower cost sourcing arrangements , accounting for an approximate 170 basis point increase ; 2022 decreased close-out sales in the 2006 period compared to the 2005 period , accounting for an approximate 70 basis point increase ; 2022 lower customer incentives as a percentage of net revenues , primarily driven by changes to certain customer agreements which decreased discounts while increasing certain customer marketing expenditures recorded in selling , general and administrative expenses , accounting for an approximate 70 basis point increase; .

Question: what was the percentage change in the gross profit from 2005 to 2006
Program: divide(79.7, 135.9)
Answer: 0.58646