Here is what each brand publishes about how its underwear is actually made, quoted from its own product pages, and what we publish about ours.
- Single pair
- $15
- Three-pack
- $36
- Sizes
- 2T–14/16
What each brand publicly says
Every cell below is either a quotation from that brand’s own live product page, with the page and the date we read it, or a statement that the pages we read did not cover it. We do not paraphrase another brand.
| Attribute | Primal Play | WunderUndies | Lucky & Me | Kyte Baby |
|---|---|---|---|---|
| Fabric |
90% modal, 10% spandex |
67% bamboo, 28% cotton, and 5% spandex Sourceread 3 Oct 2026 |
94% Micromodal, 6% Spandex Sourceread 3 Oct 2026 |
97% Rayon made from Bamboo, 3% Spandex Sourceread 3 Oct 2026 |
| Waistband |
Two layers of the same fabric as the garment, with no separate elastic tape or strip. Boxer briefs: 3.00 cm finished. Undies: 2.50 cm finished. |
fabric waist and leg bands for a secure yet non-restrictive fit Sourceread 3 Oct 2026 |
Fabric-covered waistband and leg openings Sourceread 3 Oct 2026 |
Not stated on the pages reviewed |
| Seams | Boxer briefs: On the boxer briefs there is no side seam and no center back seam, because the body is cut from a single piece. On the boxer briefs the seams that do exist sit at the pouch sides and the crotch. Undies: On the undies the front and back are joined at the side seam, and the undies have a separate crotch lining. |
soft seams Sourceread 3 Oct 2026 |
PillowSeams are special flat seams sewn with the softest thread Sourceread 3 Oct 2026 |
Not stated on the pages reviewed |
| Tags and labels |
No woven size or care label against the skin. Size and care are heat-printed on the inside back panel; the only woven label is a small flag tab on the outside. |
Not stated on the pages reviewed |
Tag-free (no scratchy tags!) Sourceread 3 Oct 2026 |
Not stated on the pages reviewed |
| Starter option |
Single pair, $15. |
Find My Size Trial Pack Sourceread 3 Oct 2026 |
Not stated on the pages reviewed page 1read 3 Oct 2026 |
Not stated on the pages reviewed |
| Safety and certification |
CPSC-accepted laboratory tested. No OEKO-TEX certification. CPSC testing is required for all children's products sold in the US. It is not a point of difference, and three of the brands here hold a certification we do not. |
Not stated on the pages reviewed |
OEKO-TEX® STANDARD 100 Certified (20.HLK.05368 | Hohenstein) Sourceread 3 Oct 2026 |
STANDARD 100 by OEKO-TEX® Sourceread 3 Oct 2026 |
Fabric
Primal Play
90% modal, 10% spandex
Waistband
Primal Play
Two layers of the same fabric as the garment, with no separate elastic tape or strip.
Boxer briefs: 3.00 cm finished. Undies: 2.50 cm finished.Seams
Primal Play
Boxer briefs: On the boxer briefs there is no side seam and no center back seam, because the body is cut from a single piece. On the boxer briefs the seams that do exist sit at the pouch sides and the crotch. Undies: On the undies the front and back are joined at the side seam, and the undies have a separate crotch lining.Tags and labels
Primal Play
No woven size or care label against the skin. Size and care are heat-printed on the inside back panel; the only woven label is a small flag tab on the outside.
Starter option
Primal Play
Single pair, $15.
Safety and certification
Primal Play
CPSC-accepted laboratory tested. No OEKO-TEX certification.
CPSC testing is required for all children's products sold in the US. It is not a point of difference, and three of the brands here hold a certification we do not.
Every quotation above was read from that brand’s own live pages on 3 Oct 2026:
- WunderUndies wunderundies boxers soft seams, wunderundies briefs build a pack
- Lucky & Me hazel girls micromodal bikini underwear
- Kyte Baby briefs in slate, underwear
Every brand here states what the fabric is made of. None states a finished measurement.
A quotation is reproduced exactly as that brand published it. Where a brand did not state an attribute on those pages, the cell says so rather than guessing.
What we publish about ours
Four details, photographed on the garments we sell.
Start with one pair
Construction tells you what you’re buying. Only your child tells you how it feels.
Free shipping on US orders of $36 or more.Ships from Brentwood, Tennessee within two business days.Final sale.