Serpex Endurance Carry Bundle

What’s Included

• Running Waist Band
  
  Low-profile, secure design to hold your phone, keys, and essentials without bounce or discomfort.
  
  
• Serpex FlexFlask™ (350ml)
  Lightweight, soft water bottle designed for easy hydration on the move, without bulky hard plastic.

Why Runners Choose This Bundle

• No-Bounce Carry System , keeps essentials stable so your stride stays smooth

• Hands-Free Hydration , drink without stopping or carrying bottles

• Lightweight & Comfortable , built for long-distance use

• Designed for Endurance Runs , training, travel, and race days

• Bundle-Only Value , save more compared to buying separately

Waist Band Sizing

Choose your size based on waist measurement:

• Medium
  70–75 cm , 27.5–29.5 inches

• Large
  76–86 cm , 30–34 inches

• XL
  86–100 cm , 34–39 inches

If you’re between sizes, size up for comfort during longer runs.