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