The modular design of Sporteer Entropy Armbands allows customization without purchasing an entire armband and ensures a perfect fit on every arm, whether the armband is worn directly on the arm or over clothing.
New customization options coming soon!
Strap Size Arm Size (upper arm circumference)
Small 8 - 11 inches (20 - 28 cm)
Medium 10 - 14 inches (25 - 36 cm)
Large 13 - 18 inches (33 - 46 cm)
Extender + 4 inches (10 cm)
The E8 Armband is designed to fit large phones with or without protective cases and...
The E6 Armband is designed to fit mid-size phones with or without protective cases and features...
Securing your large phone, protective case, or battery pack while running or working out is...