Well not sure what brand they are since my GF bought them for me but they kind of hold you in a somewhat natural position and are very comfortable. Not to mention the my GF loves them..
https://www.flickr.com/photos/138303.../shares/2yw849
Here's another pair she picked out for me, of course they don't always stay on for long.....
https://www.flickr.com/photos/138303.../shares/7L2682