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Baby Toddler Kids and Youth Sizing
Navigating the Scale: A Guide to Baby, Toddler, Kids, and Youth T-Shirt Sizing
Choosing the correct size for a growing athlete or student is a matter of both comfort and longevity. In the apparel industry, sizing categories are determined by developmental stages rather than just age. Understanding the technical differences between Baby, Toddler, Kids, and Youth T-shirt silhouettes ensures a professional fit and a seamless transition as they grow.
Baby Sizing (0–24 Months)
The primary objective of baby sizing is accessibility and skin protection.
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The Silhouette: These garments are typically wider and shorter to accommodate diapers.
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Key Features: Look for "lap shoulders" and side-seamed construction. In our Airlume cotton series, these shirts prioritize extreme softness and a "fixed-frame" fit that won't twist or bunch during crawling.
View Our Baby Collection Here.
Toddler Sizing (2T–5T)
The "T" stands for Toddler, covering the transition from infant to preschooler.
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The Silhouette: Unlike baby sizes, toddler shirts begin to take on a more vertical, rectangular shape.
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The "Diaper Gap": 2T and 24-month sizes are often similar in width, but a 2T is longer because it assumes the child is standing and beginning to move away from bulky diapers.
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Durability: At this stage, knit density becomes critical to withstand the increased friction of active play.
View Our Toddler Collection Here.
Kids Sizing: The "Little Kids" Phase (Sizes 4–7)
Once a child outgrows toddler fits, they transition into Kids sizing, often referred to in the industry as Little Kids. This range typically covers sizes 4, 5, 6, and 7.
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The Silhouette: These shirts are designed for children who have lost the "toddler" shape but haven't yet hit the growth spurts of middle childhood.
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The Fit: The cut is more streamlined than a 5T but maintains a shorter torso length to ensure the garment doesn't overwhelm a smaller frame. It is the ideal stage for children entering their first organized sports or school activities.
View Our Kids Collection Here.
Youth Sizing: The "Big Kids" Phase (Sizes 8–20)
Youth sizing is engineered for Big Kids and represents the final transition before entering adult apparel. This category generally spans sizes 8 through 20, mapped to Youth Small (8) through Youth XL (18-20).
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The Silhouette: These garments are patterned to mirror adult athletic wear, providing the length and durability required for more intense physical activity and rapid growth.
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The YXL to AXS Bridge: It is important to note that a Youth XL (YXL) is the functional bridge to an Adult Extra Small (AXS) or Adult Small. While the widths may be similar, the Youth XL is often cut straighter, whereas the Adult sizes provide more length in the torso and sleeve. This ensures a consistent, professional appearance for older students and teen athletes.
View Our Youth Collection Here.
How to Determine the Right Fit
To ensure your State Athletic Department or Monochromatic gear fits perfectly, we recommend a "Flat-Lay" measurement:
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Width: Measure across the chest, one inch below the armhole.
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Length: Measure from the highest point of the shoulder to the bottom hem.
The Transformation: Growing with the Brand
By understanding these distinctions, you can build a consistent wardrobe for your family that maintains the same premium quality and aesthetic across every age bracket. Whether it's a 3-6 month bodysuit or a Youth Large T-shirt, our commitment to high-density knits and superior printing remains constant.