NYLON Woven Design: Crafted from nylon material, this band is sweat-absorbent, making it practical for sports and workouts.
Case Design: The heavy-duty case is easy to adjust to your wrist size; this unique case fits Vivofit 4.
Breathable & Fast-Drying: Enjoy a 24/7 soft mesh feel; the 6000+ sheet nylon weave lets sweat out and air in, avoiding a sticky feel during sports.
Anti-Allergy Design: Holds up extremely well with no signs of wear; it is not itchy, unlike the original silicone band that can irritate the skin