Columbia
Columbia Youth Bugaboo II Pant
Columbia Youth Bugaboo II Pant
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Sizing for Columbia Youth Bugaboo II Pant
Columbia youth / unisex bottoms
Columbia publishes separate boys’ and girls’ reference charts. Both are shown for this unisex product. Body measurements in cm, converted from official inch values at 2.54 cm per inch. Check the product’s own fit advice.
Swipe across the table if needed to see every measurement.
| Manufacturer chart | Letter size | Approx. age | Waist (cm) | Hips (cm) |
|---|---|---|---|---|
| Boys | XXS | 4-5 years | 53.3–54.6 | 58.4–61 |
| Boys | XS | 6-7 years | 55.9–59.7 | 63.5–67.3 |
| Boys | S | 8 years | 62.2 | 70.5 |
| Boys | M | 10-12 years | 64.8–67.3 | 73.7–77.5 |
| Boys | L | 14-16 years | 71.1–74.9 | 81.3–85.1 |
| Boys | XL | 18 years | 78.7 | 88.9 |
| Girls | XXS | 4-5 years | 53.3–54.6 | 58.4–61 |
| Girls | XS | 6-7 years | 55.9–59.7 | 63.5–69.8 |
| Girls | S | 8 years | 61.6 | 72.4 |
| Girls | M | 10-12 years | 63.5–66 | 76.2–81.3 |
| Girls | L | 14-16 years | 71.1–76.2 | 86.4–91.4 |
| Girls | XL | 18 years | 81.3 | 96.5 |
Official manufacturer source · Checked 28 October 2026
Only sizes offered in the product’s size selector can be ordered. Charts may show additional manufacturer sizes.
How to measure
Use a soft tape measure. Measure chest around the fullest point, waist at the natural waistline and hips at the widest point. Measure height without shoes. Follow the manufacturer’s method for inside leg and accessories.
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Cozy Mole Enterprise LTD says:
The Columbia Youth Bugaboo II Pant with Omni-Heat is the latest version of Columbia's ever popular Bugaboo kids pant range, This unisex product has a range of colours to suit girls and boys. Using Columbia's Omni-Heat thermal reflective and insulative technologies, this pant has zone specific insulation to keep more sensitive areas warm (like your knees) but not overheat other area which require less insulation. Overall, this allows breathability to maintain dryness and avoid overheating, and yields a pant which is lightweight and low bulk. The shell uses Columbia's Omni-Tech fabric and has critical seam sealing, to produce a waterproof, breathable pant, with great practical features. The OUTGROWN™ system allows the legs to be lengthened by around 3cm to allow for growth, by releasing an internal seam.
Note that the release of the OUTGROWN seam is a non-reversible step, so products cannot be returned once this has been done. If the legs are too short when you receive the garment, you probably need the next size.
Available in Black, Grill, Mountain Red, State Orange, Pink Ice and White.
Manufacturer's Comments on this Product:
Features:
- Fabric: Shell: 100% nylon Legacy Twill. Lining: 100% polyester Omni-Heat Reflective Microtex Light. Insulation: 100% polyester, 100gsm.
- Omni-Heat™ thermal reflective and insulated
- Omni-Tech™ Waterproof/breathable critically seam sealed
- Wind proof
- OUTGROWN™ grow system
- Adjustable waist
- Internal leg gaiter
- Zip closed hand pockets
- Cargo pocket
- Reinforced knees and cuff guard
- Silicone grippers at leg opening
- Reflective detail
