Base-layer compression shirts built for wear under a baseball jersey — moisture management and muscle support through a full game or practice.
| Material | 85% Polyester / 15% Spandex |
|---|---|
| Fabric Weight | 180–200 GSM |
| Size Range | YS–YL, S–4XL |
| Compression Level | Medium to high |
| Fit | Compression fit, athletic cut |
| Stitching | Flatlock seams |
Yes — sleeve length and color are commonly chosen for visibility, and can be branded accordingly.