COMFORTABLE: The surface is made of high-quality neoprene material, soft and delicate, comfortable and breathable, to prevent your belt from getting wet. The internal is made of microfiber, it's skin-friendly.
PROTECTION: The ankle strap comes with a secret pocket, you can put your fitness tracker into the secret pocket that ensures your fitness tracker stays securely inside.
DOUBLE CONCEALED BUTTON DESIGN: Zinc alloy double concealed button design, fits 8.2"-12.2" (210mm-310mm) ankle circumference, comfortable to wear, ensures the ankle strap is fixed to your ankle.
WATERPROOF AND SWEATPROOF: The air holes on the surface make you feel comfortable and breathable, the wider and thicker design makes you feel less tense, it can waterproof and sweatproof.