Bad Boy Sphere Short Sleeve Compression Top - Black/Red Brand New Manufactured By Bad Boy 90% Polyester / 10% Spandex, Rubber Grip in bottom seam to prevent roll up, Reinforced Flat Stitching for comfort and durability, Stay-cool Mesh Panels on neck and sides, Reflective Panels for outdoor training. Ergonomic Compression Panels Lightweight and Breathable