Custom Sport-Tek ST100 Performance T-Shirt | Personalized Team Shirts

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Sport-Tek® ST100 Unisex Competitor™ United Performance T-Shirt

Create your own custom Sport-Tek® ST100 Competitor™ United Performance T-Shirt with your logo, artwork, or personalized design. Engineered with moisture-wicking PosiCharge® technology and lightweight performance fabric, this athletic tee is ideal for sports teams, corporate events, fitness brands, and custom activewear.

Product Features

3.8 oz./yd² (129 g/m²) lightweight performance fabric
100% Polyester Interlock
PosiCharge® technology helps lock in color and prevent logos from fading
Moisture-wicking fabric keeps you cool and dry
UPF 30+ sun protection
Classic athletic fit
Contrast color blocking on shoulders
Set-in sleeves for unrestricted movement
Tear-away label for easy customization
Excellent for DTF printing, sublimation, screen printing, and heat transfer vinyl (HTV)
Ideal for sports teams, tournaments, fitness apparel, and company uniforms

Why Customers Love the Sport-Tek® ST100

The Sport-Tek® ST100 is a favorite among sports teams, gyms, schools, and businesses because it delivers lightweight comfort, moisture management, and outstanding durability. The PosiCharge® fabric keeps colors vibrant even after repeated washing, while the smooth polyester surface produces crisp, vibrant custom graphics for team uniforms and branded apparel.

Best Use Cases

Custom Team Jerseys
Sports Teams
Company Events
Corporate Uniforms
Gym & Fitness Apparel
Running Clubs
School Athletics
Charity Walks & Runs
Promotional Events
Print-on-Demand Stores
Etsy & Shopify Sellers
Tournament Apparel
Employee Uniforms
Custom Performance Wear

⚠️Care Instructions⚠️
DO Inside out before washing,
DO warm/cold machine wash,
DO NOT bleach,
DO NOT dry clean,
DO NOT iron directly onto the design.

⚠️Returns⚠️
All items are made-to-order. We can't accept returns unless they arrive damaged or defective.