how to get value of node from main node in xpath

[raptor85]

<product>
		<product_name>Ladies Rhinestud Logo T-Shirt &#x2013; Hard Rock</product_name>
		<url>http://rockshop.hardrock.com/Womens/Shop by Collection/Classics/Product/HRO Jr Rhinestud Logo Tee Black/?src=sli</url>
		<image>http://rockshop.hardrock.com/ProductImages/HRO Jr Rhinestud Logo Tee Black.1.jpg?w=177</image>
		<large_image>http://rockshop.hardrock.com/ProductImages/HRO Jr Rhinestud Logo Tee Black.1.jpg?w=350</large_image>
		<front_image>http://rockshop.hardrock.com/ProductImages/HRO Jr Rhinestud Logo Tee Black.1.jpg?w=80</front_image>
		<product_number>HRO Jr Rhinestud Logo Tee Black</product_number>
		<availability>1</availability>
		<long_des/>
		<launch_date>7/28/2008 12:00:00 AM</launch_date>
		<price>19.99</price>
		<category>Women's</category>
		<sub_category>Shop by Collection</sub_category>
		<sub_category>Classics</sub_category>
	</product>
	<product>
		<product_name>Men's Leather Hipster Jacket &#x2013; Hard Rock</product_name>
		<url>http://rockshop.hardrock.com/Mens/Departments/Outerwear/Product/HRO Mens Leather Hipster Jkt Blk/?src=sli</url>
		<image>http://rockshop.hardrock.com/ProductImages/HRO Mens Leather Hipster Jkt Blk.1.jpg?w=177</image>
		<large_image>http://rockshop.hardrock.com/ProductImages/HRO Mens Leather Hipster Jkt Blk.1.jpg?w=350</large_image>
		<front_image>http://rockshop.hardrock.com/ProductImages/HRO Mens Leather Hipster Jkt Blk.1.jpg?w=80</front_image>
		<product_number>HRO Mens Leather Hipster Jkt Blk</product_number>
		<availability>1</availability>
		<long_des/>
		<launch_date>9/17/2008 12:00:00 AM</launch_date>
		<price>295</price>
		<category>Men's </category>
		<sub_category>Departments</sub_category>
		<sub_category>Outerwear</sub_category>

i need to extract Outerwear subcategory from Men's category similarly i want to extract from Shop by Collection subcategory Women's

[Domele]

Look for an NSXMLParser tutorial.

Also, don't PM people after 3 hours of no responses. Be patient.