Two muscular male figures are locked in a violent struggle at the center of the composition, their bodies dramatically intertwined. The man in the foreground stands firmly on the rocky ground, his legs wide apart and his arms wrapped tightly around the torso of his opponent, who is lifted off the earth. His face, turned toward the viewer, is tense and determined, with furrowed brows and a dark beard, while the other figure’s head is thrown back, his features partly obscured in shadow.

The background is dominated by a dark, cavernous rock formation, with a glimpse of pale sky and distant mountains visible at the left edge, suggesting an outdoor setting at the edge of a cave. Light falls from the left, illuminating the straining muscles and sinews of the figures, and casting deep shadows that emphasize the drama of the scene. The palette is somber, with earthy browns and ochres dominating the rocky setting and the flesh tones, while the distant landscape is rendered in cool, subdued blues and greys.

The paint is applied with broad, energetic brushstrokes, especially in the modeling of the bodies and the rough texture of the rocks, while the faces and limbs are more finely worked to capture the tension and movement. A pale, rounded boulder occupies the lower right corner, its surface catching the same directional light as the figures’ limbs. The upper left corner contains a patch of blue-grey sky streaked with white clouds, contrasting with the dark rock face beside it.

Both figures cast faint, diffuse shadows on the rocky ground at their feet, grounding them within the space. The paint around the edges of the cave opening is loosely handled, with visible brushstrokes suggesting rough, uneven stone. Francisco de Zurbarán paints the mythological contest between Hercules and Antaeus, a subject drawn from classical legend and depicted in 1634.