The Hydra was an enormous serpent with multiple heads, the number varies, one of which was immortal. It terrorized Lerna near the city of Argos and one of Heracles' Labors was the slaying of the Hydra. But every time he cut off one head, two would grow back in its place. To defeat it, Heracles used his cousin Iolaus' help to cauterize the stumps after cutting off the heads. He then buried the Hydra under boulders, and Hera placed it in the night sky as a constellation.

• 100% combed and ring-spun cotton (Heather colors contain polyester)
• Ash color is 99% combed and ring-spun cotton, 1% polyester
• Heather colors are 52% combed and ring-spun cotton, 48% polyester
• Athletic and Black Heather are 90% combed and ring-spun cotton, 10% polyester
• Heather Prism colors are 99% combed and ring-spun cotton, 1% polyester
• Fabric weight: 4.2 oz (142 g/m2)
• Pre-shrunk fabric
• Side-seamed construction
• Shoulder-to-shoulder taping