Bat Bros Bad Day Pima Cotton T-Shirt - Black
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.
- En stock
Baseball Bat Bros – YouTube Sensations. No Gimmicks. Just Results.
Built by ballplayers for ballplayers. The Baseball Bat Bros are YouTube sensations who put every bat to the test—raw power, sweet spot, and real-game performance. No sponsorships, no fluff—just unfiltered bat reviews from hitters who know what matters.
Their gear is just as tough as their testing. Straight-up baseball. No shortcuts.
Engineered for baseball purists who demand premium quality and relentless durability, the Diamond Pima Oversized Tee delivers an uncompromising blend of luxury and performance. Constructed from 200 gsm (6.5oz) Diamond Pima Cotton, this tee is crafted for superior softness, breathability, and long-lasting wear. Designed with an oversized streetwear fit, it offers unrestricted movement while maintaining an elevated, modern aesthetic. Whether you’re training, traveling, or stepping onto the field, this tee is built to perform.
Features:
- 200 GSM Diamond Pima Cotton – Heavyweight yet ultra-soft fabric engineered for maximum comfort and durability.
- Oversized Streetwear Fit – Designed for unrestricted movement and a contemporary look. Size down for a traditional fit!
- Enhanced Breathability – Premium cotton fibers provide exceptional airflow and moisture-wicking capabilities.
- Durability Meets Luxury – Reinforced stitching and fade-resistant fabric ensure long-lasting wear, season after season.

