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Thermal Base Layer Long Sleeve Shirt OEM

Thermal Base Layer Long Sleeve Shirt with a streamlined, supportive fit that layers smoothly under outerwear. Ideal for cooler gym training and running, with customization options available for brand programs.

Built as a thermal base layer, this long sleeve shirt focuses on a close, low-bulk fit that layers cleanly under jackets, jerseys, or training tops. The streamlined silhouette helps reduce bunching at the shoulders and elbows, while stretch recovery keeps coverage steady through lifts, strides, and drills. Support-style compression can be added as an optional specification, depending on your program.

Product Highlights

  • Close-to-body layering fit

  • Stretch recovery for stability

  • Low-bulk long-sleeve coverage

  • Smooth seams available

  • Warm feel in motion

Fit for Activity

  • Gym

  • Workout

  • Running

  • Sports

Customization (B2B)

  • Custom logo: heat transfer, embroidery, print

  • Colors: Pantone available upon request

  • Sizes: XS–XXXL optional

  • Packaging options; MOQ upon request