Columbia Fast Trek II Full Zip Fleece

Sizing for Columbia Fast Trek II Full Zip Fleece

Columbia youth / unisex tops

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.

Columbia youth / unisex tops
Manufacturer chart	Letter size	Approx. age	Chest (cm)	Waist (cm)	Hips (cm)
Boys	XXS	4-5 years	55.9–58.4	53.3–54.6	58.4–61
Boys	XS	6-7 years	61–64.8	55.9–59.7	63.5–67.3
Boys	S	8 years	67.3	62.2	70.5
Boys	M	10-12 years	69.8–72.4	64.8–67.3	73.7–77.5
Boys	L	14-16 years	77.5–81.3	71.1–74.9	81.3–85.1
Boys	XL	18 years	85.1	78.7	88.9
Girls	XXS	4-5 years	55.9–58.4	53.3–54.6	58.4–61
Girls	XS	6-7 years	61–66	55.9–59.7	63.5–69.8
Girls	S	8 years	68.6	61.6	72.4
Girls	M	10-12 years	72.4–76.2	63.5–66	76.2–81.3
Girls	L	14-16 years	80–85.1	71.1–76.2	86.4–91.4
Girls	XL	18 years	90.2	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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