Erg Synapse Necklace ZERO Black X Blue M Size 49cm

ERG, the leading brand of balance sports necklaces. [Made in Japan] Body balance is the foundation of everything, from sports to life. It supports core strength, essential for sports like baseball, soccer, golf, and tennis. It's also recommended for darts, bowling, and fishing. The loop body is made of lightweight, water-resistant Mitsui Chemicals elastomer, making it suitable for any sport. Size: 49cm Length Color: [Loop] Black [Attachment] Blue Material: [Loop] Elastomer [Attachment] Aluminum alloy (anodized finish), neodymium