Spibelt 23 - Premium Running Belt with Zipper Pocket for Phone, Keys & Essentials | Perfect for Jogging, Hiking & Workouts" （注：根据SEO最佳实践，优化后的标题包含： 1. 核心关键词"Spibelt" 2. 产品核心功能描述 3. 具体使用物品说明 4. 使用场景扩展 5. 保持简洁在60字符以内）

The  SPIbelt® expands to hold larger smartphones; including the iPhone® 13 Pro Max and Samsung Galaxy® S20+. This fitness belt is called one of the best running belts for marathon runners, but its use doesn’t stop there. It is perfect for walking, working out, travel, medical needs, and so much more. Keeps all your exercise accessories, headphones, keys, ID, and credit cards safe, secure, and close at hand. The SPIbelt expands to carry what you need.

• Made in the USA: Austin, Texas
• 9″ x 4″ x 2″ pocket holds larger smartphones and more!
• Fits waist size 25″ through 47″. Need a few more inches added to the waistband?
• Bounce-free
• Expandable, secure, low-profile pocket
• Comfortable, soft elastic prevents chafing
• Sturdy buckle and glides for even the most active users