- The Explore Square-Neck Onesie is your one-and-done on-the-go must-have. Wear it for your studio class, or pair it with our for a sporty-casual ensemble when the temperature drops. Moisture-wicking, 4-way stretch, and compressive properties enhance your performance, while the soft, compressive fabric feels great against your skin, making it perfect for any adventure. Did we mention it has pockets to store your essentials?