I love singlets! I have over 20 of them. One of my favorite companies that makes singlets is Go Softwear! They have just released a new collection that has a lot of mesh and super fun.
Here is a quick overview of the awesome singlets their American Jock line released:
AJ Elite Tri Color Singlet
Pink
Navy
Turquoise
AJ ELITE SPORT SINGLET
Pink/Grey
Royal/Turquoise
White/Navy
AJ MESH TAKEDOWN MESH SINGLET
Pink
Navy
Turquoise
You can see the entire new singlet line at the new page on the Go Softwear site. These are a must-have for any singlet fan. My favorite is the AJ Elite sport singlet. I love the mesh side panel