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Sport-Tek ST550 PosiCharge Competitor Polo — 3.8 oz polyester interlock, PosiCharge color-lock

Sport-Tek ST550

PosiCharge Competitor Polo

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For the broadest side-by-side view, also compare Port Authority K500 Silk Touch Polo .

Description

About this product

PosiCharge Competitor polo in 3.8 oz 100% polyester interlock with color-lock technology, Sport-Wick, and tear-away label. The ST550 is the unisex interlock polo in the Competitor line — same fabric as the ST350 tee but in a polo neckline silhouette.

At a glance

What to know

  • 3.8 oz 100% polyester interlock
  • PosiCharge color-lock technology
  • Polo neckline with tear-away label for rebranding
  • Embroidery and screen print on interlock surface

Product notes

More details

Fabric & Construction

The Sport-Tek ST550 uses 3.8 oz 100% polyester interlock with PosiCharge color-lock technology in a polo silhouette. This is the unisex interlock polo in the Competitor line — using the same fabric as the ST350 tee and ST104/LST104 polos. Set-in sleeve construction with tear-away label. The interlock construction distinguishes it from the tricot-based ST650 Micropique polo.

print methods

Compatible with embroidery and screen print. The polyester interlock surface with PosiCharge color-lock provides a stable base for both methods. Left-chest embroidery is standard for polo decoration.

Buyer FAQ

Common questions

How does the ST550 differ from the ST650 polo?
The ST550 uses polyester interlock with PosiCharge and tear-away label. The ST650 uses polyester tricot (micropique) with snag resistance and tagless construction. Different fabric and label types.
How does the ST550 differ from the ST104 polo?
The ST550 is unisex with regular fit. The ST104 is men's with regular fit. Both use the same 3.8 oz polyester interlock with PosiCharge, but the ST550 provides unisex sizing.
Is the ST550 the same fabric as the ST350 tee?
Yes. Same 3.8 oz 100% polyester interlock with PosiCharge color-lock technology, in a polo neckline instead of a crew neck.