This muscle tee is made with 20% spandex for a 4-way stretch that compresses, retains its shape use after use and keeps muscles in place.

Features:

• 80% Polyester / 20% Spandex, 5.0 ounces per square yard
• 4-way stretch 
• All seams flat-lock stitched
• Rash Guard protection
• Moisture wicking
  
• Odor resistant and Stain release for easy care