Proving Grounds

Performance Tee

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Size
Product Description

This shirt is as tough as your workouts! The athletic fit shows off your hard work in the gym and our signature Unbroken Poly-Cotten Blend keeps you cool under pressure.

  • 60% Cotton & 40% Polyester
  • Mountain hem tag on sleeve
  • Fits true to size
Only 50 pieces available. Once they’re gone they’re gone.

TRAINING COLLECTIONS

Proving Grounds CrossFit Athlete Working Out

Proven Training

Training for Individual Athletes

Proven Affiliate

Group Training for Gyms