Size Guide

TINY UNDIES SIZE GUIDE

(click here for the Tiny Trainers Size Guide)

Babies and toddlers vary. Baby and toddler clothing varies. My hope is that this Size Guide will help guide you to select the correct underwear size for your child and take the guesswork out of it!

Main Points to Consider

  1. Sizing. Tiny Undies sizes 18mos, 2T, and 3T run true-to-actual-size for average-sized babies and toddlers; sizes 6mos and 12mos are snug. You may want to order a size up for babies 6-12 months (order 12-18 month size), and if your baby is 0-6 months, the 6 month size should fit. If your 14 month toddler is large for his size (say, 75th percentile), you may want to get the 18 month size. Our sizes 2T and 3T are generously sized so they’re easy to push down and pull up. They may seem a little big in the rise but the leg holes and waistband have been sized as per the chart below. They can sometimes be worn by small bottomed kids as old as 5. Check out the Size Chart, below, for more details on measurements and such.
  2. Measuring. We measure things differently around here. See How to Measure, below, for details on how to measure your baby for Tiny Undies to fit best.
  3. Size up. If in doubt, order the next size up.  This is always the case with children’s clothing…if you aren’t sure, order the next size up so you’ll get many more months out of each size than if you order too snug. If your child runs tiny, you may not need to order a size up (my 5 year old can still wear the 3T size!). You know your child better than we do, so consider what you know when picking your sizes!
  4. Don't worry. If you order the wrong size, you can exchange them! We have a pretty easy exchange policy here. If you open your Tiny Undies and find they don’t fit quite right, you can return them so long as they’re not soiled, not damaged by you, and the packaging is in good shape (our cotton bags are somewhat delicate so open carefully the first time). If the mistake was our fault, we pay for shipping back and forth. If the mistake or misguess was from your side, you pay for shipping back and forth (about $2-3 each way for a single 3-pack in the U.S.). If it’s somewhere in the middle, we can split the difference.
  5. Shrinkage. Your undies may shrink so wash on cold! Since they are 100% cotton, you must wash your undies on cold and dry at a low temperature or they will probably shrink (shrinkage is about 6%). This is just like it is with any other 100% cotton children’s clothing…so either launder carefully or size up.

Tiny Undies Size Chart

The Size Chart below basically takes your measurements and matches them to our Undies, with the elastic already in mind. So, no further adjustments are needed once you’ve measured! Again, keep in mind whether your baby/child is of average sizing or not, and if in doubt, order the next size up. (See next section for How to Measure, as we measure a little bit differently around here.)

Tiny Undies Size Chart

How to Measure

We measure things a little differently around here. You’ll need either a flexible measuring tape (used for sewing) or a string and a ruler to measure your baby or toddler for our underwear to fit best. Here are some details on how to get your measurements for the above chart ranges. (Remember that the above ranges basically take your measurements and match them to our Undies, with the elastic in-mind. So, no further adjustments are needed once you’ve measured!)

  1. Waist (below belly) – Do not measure your child at the belly button, but measure  below the belly  bulge at the top of the hips. Tiny Undies are anatomically-correct so the waistband sits right below the belly for a super-comfy fit.
  2. Low-rise (back waist to below belly) – Usually you’d measure a child’s rise from belly button to low back, via the crotch. In our case, you’ll still measure along the crotch but  start at below the belly buldge (as with the waist, above) and  end at the back of the waist.
  3. Thigh circumference (leg gussets) – Measure around the topmost part of your child’s thigh. Usually this part is narrower than the thigh itself.

Tiny Trainers Size Guide

TINY TRAINERS SIZE GUIDE

(Click here for the Tiny Undies Size Guide)

Now let’s look at the sizes for Tiny Trainers training pants. The chart, below, is actually the same! That’s because we’ve already compensated for the lack of stretch caused by the absorbent center, and we’ve sized the rise accordingly. Read on for more details in selecting small training pants for your baby or toddler.

Main Points to Consider

  1. Sizing. Tiny Trainers sizes run true-to-actual-size for average-sized babies and toddlers; sizes 6mos and 12mos are a bit more snug than the larger sizes. You may want to order a size up for babies 6-12 months (order the 12 month size), and if your baby is 0-6 months, the 6 month size should fit. If your 14 month toddler is large for his size (say, 75th percentile), you may want to get the 18 month size. Our sizes 2T and 3T are generously sized so they’re easy to push down and pull up. They may seem a little big in the rise but the leg holes and waistband have been sized as per the chart below. They can sometimes be worn by small bottomed kids as old as 5. Check out the Size Chart, below, for more details on measurements and such.
  2. Measuring. We measure things differently around here. See How to Measure, below, for details on how to measure your baby for Tiny Trainers to fit best.
  3. Size up. If in doubt, order the next size up. This is always the case with children’s clothing…if you aren’t sure, order the next size up so you’ll get many more months out of each size than if you order too snug. If your child runs tiny, you may not need to order a size up (my 5 year old can still wear the 3T size!). You know your child better than we do, so consider what you know when picking your sizes!
  4. No worries. If you order the wrong size, you can exchange them! We have a pretty easy exchange policy here. If you open your Tiny Trainers and find they don’t fit quite right, you can return them so long as they’re not soiled, not damaged by you, and the packaging is in good shape (our cotton bags are somewhat delicate so open carefully the first time). If the mistake was our fault, we pay for shipping back and forth. If the mistake or misguess was from your side, you pay for shipping back and forth (about $2-3 each way for a single 3-pack in the U.S.). If it’s somewhere in the middle, we can split the difference.
  5. Shrinkage. Your training pants may shrink so wash on cold! Since they are 100% cotton, including the absorbent core, you must wash your undies on cold and dry at a low temperature or they will probably shrink (shrinkage is about 6%, just like with our Tiny Undies). This is just like it is with any other 100% cotton children’s clothing…so either launder carefully or size up.
  6. Fluffing. The absorbent core will “fluff up” after the first wash/dry. Just like our beloved cloth diaper inserts and prefolds, Tiny Trainers will arrive somewhat flat and after a wash/dry or two will fluff up so beautifully. This enhances the absorbency and also feels super cush to your babe.

Tiny Trainers Size Chart

The Size Chart below basically takes your measurements and matches them to our Trainers, with the elastic already in mind. So, no further adjustments are needed once you’ve measured! Again, keep in mind whether your baby/child is of average sizing or not, and if in doubt, order the next size up. (See next section for How to Measure, as we measure a little bit differently around here.)

Tiny Trainers Size Chart

How to Measure

We measure things a little differently around here. You’ll need either a flexible measuring tape (used for sewing) or a string and a ruler to measure your baby or toddler for our underwear to fit best. Here are some details on how to get your measurements for the above chart ranges. (Remember that the above ranges basically take your measurements and match them to our Trainers, with the elastic in-mind. So, no further adjustments are needed once you’ve measured!)

  1. Waist (below belly) – Do not measure your child at the belly button, but measure  below the belly  bulge at the top of the hips. Tiny Trainers are anatomically-correct so the waistband sits right below the belly for a super-comfy fit. The elastic is not super-tight, but it is snug enough to not fall down.
  2. Low-rise (back waist to below belly) – Usually you’d measure a child’s rise from belly button to low back, via the crotch. In our case, you’ll still measure along the crotch but  start at below the belly buldge (as with the waist, above) and  end at the back of the waist. Tiny Trainers have an extra few centimeters of “rise” (this measurement) to compensate for the lack of stretch in the absorbent core.
  3. Thigh circumference (leg gussets) – Measure around the topmost part of your child’s thigh. Usually this part is narrower than the thigh itself.

Now that you know what size to get...
let's get you some!

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