Diamond Flex Lite Training Tee (Black) - Youth
- Item in Stock
Diamond Flex Lite Oversized Training Tee
Engineered for Movement. Designed for the Ballplayer.
Built to outlast the grind. The Diamond Flex Lite Training Tee merges Baseballism’s signature style with serious performance. Whether you're hitting the cage, pushing reps, or recovering on off days, this tee is your go-to layer—combining pro-level fabric tech with an athletic streetwear fit. An oversized fit allows for maximum performance no matter what play you're making- size down for a tighter fit!
Performance Features
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Diamond Flex Lite Fabric
Proprietary textured polyester blend engineered to prevent fabric stick during high sweat activity—stays light, dry, and mobile. -
Four-Way Stretch
Full-range mobility across shoulders and torso. Built to move with you, not against you. -
BSBLISM Mark
Subtle branding hit for the committed. Worn by those who respect the game. -
Oversized Athletic Fit
Modern relaxed silhouette—ideal for layering or wearing standalone. We recommend going one size down for a more traditional fit -
Moisture-Wicking Polyester Blend
Smooth, breathable performance with elite durability and rebound.

- Desirae A.Verified BuyerRated 5 out of 5 starsWorkout shirt
Son loves them for working out
Was this helpful? - Rachel K.Verified BuyerRated 5 out of 5 starsPerfect for workouts
This lightweight athletic top is perfect for my son when he’s at practice or running around w friends. He loves all the newest baseball attire, but sometimes the cotton tshirts are just too heavy for warmer weather, especially if you have an active kid. This shirt is perfect. Excellent quality but lightweight.
Was this helpful? - Jessica W.Verified BuyerRated 5 out of 5 stars2nd one
Love the style, light weight and solid shirt
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