This is my 8-yr-old''s first "swim team" type of suit. I spent almost 2 weeks researching suits. (Like finding out to not buy a Lycra suit...)
I took a chance just using the size charts since I''m a Speedo newbie.  She wears between a size 8 and 10 right now and I bought her a 26.  Everything was just as described & expected. The suit fits snug, but its supposed to, like a glove.  I''m sure it will loosen with time.  (And she is VERY picky about how clothing fits, and she loves it.) It''s a beautiful, well made suit.  Very happy!

I purchased this suit for my 7 year old daughter who is on our summer swim team.  She absolutely loves it!  She says it's super comfortable and loves the design.  She also really likes that it doesn't "ride up" during practices or meets.  It's a winner all the way around!

I've been wearing a size 32 Speedo Proback suits for over 20 years and the fit is consistent. I'm just under 5' and weight approx. 101 lbs. I love this cut!

It's a Speedo, it fits

I've worn Speedos for years.  They are dependably high quality, comfortable suits that stay put and let you SWIM.  However, their sizing has changed it seems.  My height, weight and overall condition has not changed for 30 years and I had to send back the 36 and get a 38.  Always wore a 36 before.  Otherwise, great suit.

I've used Speedo suits for years, always the same size and style, and this time I opted for a slightly different back. It's actually tighter than I'm used to (and no, I didn't gain weight!). It's not enough of a difference to return the suit, which has a gorgeous print, so I'm just waiting for it to stretch out. I just wish speedo (and the other brands) could standardize their sizes a little better. Wishful thinking.