Shipping is free for prime members if you buy as an add on item.
$2.44 If you choose XL Navy/White. Other colors are more.
Size small navy/white is $2.95
Size Medium navy/white is $5.78
Size large navy/white is $4.41
It has 4 out of 5 starrs out of 28 reviews. Comments lead you to believe they are soft but run small.