Quick answer
Choose your Rex Specs T-Shirt size based on the fit you want for active days: size down for a closer, athletic fit or stay true to size for a relaxed, lived-in feel. Because the tee is built on a heavyweight Comfort Colors blank, it already runs slightly roomy, so your usual size works well for most dog handlers.
Why the blank matters for fit
The Rex Specs T-Shirt uses a heavyweight Comfort Colors blank that is garment-dyed for a vintage, broken-in look. That construction tends to feel soft from the first wear and may shrink slightly after washing, so factor in a small amount of settling when you choose your size.
If you are between sizes, consider how you plan to wear the shirt: a looser fit works well for layering over a base layer on cool mornings, while a closer fit stays out of the way during handling drills.
When to size down or stay true
Size down if you prefer a trimmer silhouette or plan to wear the tee as a base layer under a training vest. Stay true to size if you want the relaxed, roomy feel that the heavyweight blank is known for.
There is no universal size chart substitute for your own measurements, so use the decision rules below as a starting point and check the product page for the most current size options.
Decision rules for sizing your Rex Specs T-Shirt
- If you want a relaxed, everyday fit: Order your normal size. The heavyweight Comfort Colors blank already has a roomy, broken-in feel, so your usual size gives you the lived-in look without feeling tight.
- If you want a closer, athletic fit: Size down one size. This is the better choice if you plan to wear the tee under a vest or prefer a trimmer silhouette during training.
- If you are between sizes: Choose the smaller size for a closer fit or the larger size for layering. Because the shirt is garment-dyed, expect it to settle slightly after the first wash. Wash cold and hang dry to minimize shrinkage if you want to preserve the fit.
- If you plan to layer: Stay true to size or size up if you want extra room for a base layer underneath. The relaxed cut works well over a thin long-sleeve on cool trail days.
Product facts
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Rex Specs T-Shirt: Built on an ultra-soft, heavyweight Comfort Colors blank and garment-dyed for a vintage, broken-in look. The roomy, lived-in feel means your usual size is a safe starting point for a relaxed fit, while sizing down gives a closer cut.
Rex Specs T-Shirt
Who this tee fits best
Best for
- Dog handlers who want a soft, roomy tee for training and trail days
- Owners who prefer a vintage, broken-in look from the first wear
- Anyone layering the tee under a vest or jacket in cooler weather
Not for
- Those who want a precise, performance-cut athletic fit with no extra room
- Buyers who need a fully preshrunk guarantee, since the garment-dyed blank may settle after washing
