Black/White Stripe / Ribbed Shortie
SIIX Collection
Details
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From sunny playdates to afternoon naps, our sleeveless shortie romper is made for easy, breezy days. Crafted from a buttery-soft blend of 95% Cotton and 5% Spandex, it’s lightweight with just the right amount of stretch for all his warm-weather adventures.
Designed with both comfort and convenience in mind, this romper features snap closures at the crotch for quick diaper changes and a henley-style snap front for easy on and off. The sleeveless, shortie fit keeps him cool while still looking effortlessly put-together.
Fabric Details: 95% Cotton / 5% Spandex
For best results, we recommend washing cold and line drying to help preserve softness and minimize shrinkage.
Details
From sunny playdates to afternoon naps, our sleeveless shortie romper is made for easy, breezy days. Crafted from a buttery-soft blend of 95% Cotton and 5% Spandex, it’s lightweight with just the right amount of stretch for all his warm-weather adventures.
Designed with both comfort and convenience in mind, this romper features snap closures at the crotch for quick diaper changes and a henley-style snap front for easy on and off. The sleeveless, shortie fit keeps him cool while still looking effortlessly put-together.
Fabric Details: 95% Cotton / 5% Spandex
For best results, we recommend washing cold and line drying to help preserve softness and minimize shrinkage.
From sunny playdates to afternoon naps, our sleeveless shortie romper is made for easy, breezy days. Crafted from a buttery-soft blend of 95% Cotton and 5% Spandex, it’s lightweight with just the right amount of stretch for all his warm-weather adventures.
Designed with both comfort and convenience in mind, this romper features snap closures at the crotch for quick diaper changes and a henley-style snap front for easy on and off. The sleeveless, shortie fit keeps him cool while still looking effortlessly put-together.
Fabric Details: 95% Cotton / 5% Spandex
For best results, we recommend washing cold and line drying to help preserve softness and minimize shrinkage.
Fabric
Fabric
- 95% Cotton / 5% Spandex
- Snap closure for easy diaper changes
Care Instructions
Care Instructions
- Machine Wash Cold
- Lay Flat to Dry
- For best results, we recommend washing cold and line drying to help preserve softness and minimize shrinkage.

Size Guides
| Size | Length (in) | Weight (lbs) |
|---|---|---|
| NB | up to 20" | 6–9 |
| 0–3M | 20–23" | 8–12 |
| 3–6M | 23–26" | 12–17 |
| 6–9M | 26–28" | 17–20 |
| 9–12M | 28–30" | 20–23 |
| Size | Length (in) | Weight (lbs) |
|---|---|---|
| 0–3M | 22 | 8–12 |
| 3–6M | 23 | 12–17 |
| 6–12M | 24 | 18–22 |
| 12–18M | 26 | 22–27 |
| 18–24M | 27.5 | 27–30 |
| Size | Top Length (in) | Chest (in) | Sleeve Length (in) |
|---|---|---|---|
| 0-3M | 11 | 17 | 11 |
| 3-6M | 12 | 18.5 | 12 |
| 6-12M | 13 | 19.5 | 13 |
| 12-18M | 14 | 21 | 14 |
| 18-24M | 15 | 22 | 15 |
| 2Y | 16 | 23 | 17 |
| 3Y | 16.5 | 24 | 18 |
| 4Y | 17 | 25 | 19 |
| 5Y | 18 | 25.5 | 20 |
| 6Y | 19 | 26 | 21 |
| 8Y | 20.5 | 28 | 23 |
Pants
| Size | Waist (in) | Inseam (in) |
|---|---|---|
| 0-3M | 13 | 6 |
| 3-6M | 14 | 7 |
| 6-12M | 15 | 8 |
| 12-18M | 16 | 9 |
| 18-24M | 16.5 | 11 |
| 2Y | 17 | 12.5 |
| 3Y | 18 | 14 |
| 4Y | 18.5 | 16 |
| 5Y | 19 | 17 |
| 6Y | 20 | 19 |
| 8Y | 21 | 22 |
| Size | Bust (in) | Natural Waist (in) | Inseam (in) |
|---|---|---|---|
| XS | 32-34 | 25-27 | 29.5 |
| S | 34-36 | 27-29 | 31 |
| M | 36-39 | 29-32 | 31.75 |
| L/XL | 39-44 | 32-37 | 33.75 |
| 2XL | 44-48 | 37-41 | 33.75 |
Runs oversized. We recommend ordering your regular size—do not size up.
| Size | Chest (in) | Waist (in) | Inseam (in) |
|---|---|---|---|
| S | 36-39 | 30-33 | 28 |
| M | 39-42 | 33-36 | 29.5 |
| L | 42-45 | 36-39 | 30.5 |
| XL | 45-48 | 39-42 | 31 |
| 2XL | 48-51 | 42-45 | 31 |
Fit: Relaxed, roomy fit with a dropped crotch.
Inseam measures shorter than a traditional pant
but is designed to fit as full length.
| Size | Chest (in) | Full Length (in) |
|---|---|---|
| S/M | 47 | 46 |
| L/XL | 50 | 46 |
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