Hidden Ball Trick - Four Hitter Polo
Find your fit. All measurements are in inches. If you're between sizes, size up for a relaxed fit.
Men's Tops (Tees)*
| Size | XS | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|
| Chest | 35 | 38 | 41 | 44 | 48 | 52 | 56 |
| Length | 28 | 29 | 30 | 31 | 32 | 33 | 34 |
Premium material allows for little to no shrink.
*For a true fit, go one size down for relaxed fit garments.
For true fit garments, go a size up for a relaxed fit.
Women's Tops
| Size | XS | S | M | L | XL | 2XL |
|---|---|---|---|---|---|---|
| Bust | 35.5 | 36 | 38 | 40 | 43 | 45.5 |
| Body Length | 25.5 | 27 | 28 | 29 | 30.5 | 30.5 |
| Sleeve Length | 7 | 7.5 | 8 | 8 | 9 | 9 |
Sleeve length applies to short-sleeve tees.
Youth Tops (Tees)
| Size | YS | YM | YL | YXL |
|---|---|---|---|---|
| Chest | 16 | 17 | 19 | 20 |
| Length | 22 | 23.5 | 25 | 26 |
Youth tees are true to size. Chest is measured flat, armpit to armpit.
Men's Shorts (Mesh)
| Size | S | M | L | XL | 2XL |
|---|---|---|---|---|---|
| Waist | 28–31 | 31–33 | 33–35 | 36–39 | 40–44 |
| Inseam | 6 | 6 | 6.5 | 7 | 7.5 |
Youth Shorts (Mesh)
| Size | YS | YM | YL | YXL |
|---|---|---|---|---|
| Waist | 22.5 | 24 | 26 | 28 |
| Outseam (w/ waistband) | 13.5 | 14 | 14.5 | 15 |
Men's Pants (Sweatpants & Joggers)
| Size | XS | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|
| Waist | 27 | 29 | 32 | 35 | 38 | 43 | 47 |
| Length | 38.5 | 39 | 40.5 | 41.5 | 43 | 43.5 | 44 |
| Inseam | 30 | 30.5 | 31 | 31.5 | 33 | 33.5 | 34 |
| Hips | 34 | 36 | 38 | 41 | 44 | 47 | 50.5 |
Youth Pants (Sweatpants)
| Size | YS | YM | YL | YXL |
|---|---|---|---|---|
| Waist | 21.5 | 23 | 24 | 25 |
| Inseam | 21.5 | 23.5 | 24 | 25 |
Fitted Caps
| Cap Size | 7 | 7⅛ | 7¼ | 7⅜ | 7½ | 7⅝ | 7¾ | 7⅞ | 8 |
|---|---|---|---|---|---|---|---|---|---|
| Head (in) | 22 | 22⅜ | 22¾ | 23⅛ | 23½ | 23⅞ | 24¼ | 24⅝ | 25 |
| Head (cm) | 55.8 | 56.8 | 57.7 | 58.7 | 59.6 | 60.6 | 61.5 | 62.5 | 63.5 |
Fitted caps follow standard 59FIFTY sizing. Between sizes? Size up.
Adult Snapback Caps
| Size | Fits Hat Sizes | Head (in) | Head (cm) |
|---|---|---|---|
| One Size | 7⅛ – 7¾ | 22⅜ – 24¼ | 56.8 – 61.5 |
Adjustable snap closure.
Youth Snapback Caps
| Size | Fits Hat Sizes | Head (in) | Head (cm) |
|---|---|---|---|
| One Size | 7 and smaller | 22 and smaller | 55.8 and smaller |
One size fits most youth heads. Adjustable snap closure.
How to Measure
- Chest
- Measure across the fullest part of your chest, armpit to armpit.
- Bust
- Measure around the fullest part of your bust, keeping the tape horizontal.
- Length (tops)
- Measure from the top of the shirt (base of the neckline) to the bottom.
- Sleeve length
- Measure from the top of the shoulder to the end of the sleeve.
- Waist
- Measure around the narrowest part (typically where your body bends side to side), keeping the tape horizontal.
- Hips
- Measure around the fullest part of your hips, keeping the tape horizontal.
- Inseam
- Measure from the bottom of the crotch, down the inside of the leg, to the bottom of the leg opening.
- Outseam with waistband
- Measure from the top of the waistband to the bottom of the leg opening.
- Length (pants)
- Stand straight and run the tape along the side of your leg, from waist to ankle or floor.
- Head (caps)
- Wrap a flexible tape around your head about half an inch above your eyebrows and ears, snug but not tight, where the cap's sweatband sits. If you're between sizes, size up.
- Low Stock Alert, Order Now
The Hidden Ball Trick Four Hitter Polo is a men's baseball polo in 200gsm Diamond Flex four-way stretch with moisture-wicking fabric, wood buttons, and a Flag Man jock tag—made by Baseballism for coaches, golf, and weekend wear.
It is an easy baseball gift for dad or the coach who already owns every tee: structured enough for brunch, light enough for the course. Wrap it for Christmas, his birthday, or the first day of a new season.
FAQ
Is this a good Christmas gift for a baseball dad?
Yes. It is an adult men's polo with verified Diamond Flex stretch fabric and wood buttons. See the Size Guide link above for sizing.
What is Diamond Flex?
Baseballism's four-way stretch athleisure fabric at 200gsm with moisture-wicking and a stick-proof texture.
For love of the game.
The Ole Hidden Ball Trick. Can you find the baseball?
Introducing Diamond Flex Technology—a revolutionary advancement in four-way stretch fabric. Engineered with an innovative stick-proof texture, this fabric offers unparalleled comfort by preventing any unwanted clinging or sticking to the body. Despite its advanced texture, it remains incredibly lightweight and maintains its structured form, delivering a perfect balance of flexibility and durability for the ultimate wearing experience.
Key Features:
- Diamond Flex 4-Way Stretch Fabric: Experience unrestricted movement and comfort.
- Moisture-Wicking Material: Stay cool and dry with advanced moisture management.
- 200gsm Breathable Diamond Flex Athleisure Fabric: Perfectly balanced for durability and breathability.
- Versatile Design: Built to perform on the diamond, at the course, or at a casual brunch.
- Flag Man Jock Tag on Left Breast: Signature Baseballism detail for a touch of sporty style.
- Wood Buttons: Baseballism tips its cap to the baseball bat with custom made wood buttons.
Join the ranks of those who know that looking good and feeling great go hand in hand. The Four Hitter Polo is your go-to choice for any occasion, blending functionality with a modern, athletic aesthetic.

