Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands
  • Image of Zera — Silicone Sport Band — Fitbit Charge 3/4 - Nothing but Bands

Zera — Silicone Sport Strap — Fitbit Charge 3/4

4.8
Rated 4.8 out of 5 stars
8 Reviews
£19.00
Dive into everyday ease with the Zera Silicone Sport Strap, designed to blend seamlessly with both active and casual activities. Crafted for Fitbit Charge 3/4, its breathable comfort and sleek style ensure a flawless fit that adapts to every pulse-pounding workout and relaxed weekend plan.
Color | Dark Blue
Quantity
In stock · Ships in 24–48h
Icon Velvet Silicone touch
Icon - Ultra Light-Wear
Icon - Engineered Dura-Flex
Icon - 30 Day Guarantee

Compatible Devices
Fitbit Charge 3
Fitbit Charge 3 — Verified
Fitbit Charge 4
Fitbit Charge 4 — Verified
  • Models: Charge 3, Charge 4
  • Coverage: All sizes and editions
  • How to confirm: Fitbit app → Device

Product specification
  • Compatible with: Fitbit Watch
  • Color: Black, Dark Blue, Midnight Blue, and Navy
  • Material: Silicone
  • Closure: Buckle
  • Fit: Adults
  • Style: Sporty
  • Pattern: Perforated
  • Strap style: Silicone Sport Strap
  • Lifestyle: Sport, Gym, and Swim

Description

Finding a fitness strap that stays comfortable through a hard workout and still looks right for the rest of the day is harder than it should be. Plenty of straps irritate the skin, hold onto sweat, or shift on the wrist mid-session — so you spend your workout adjusting the strap instead of thinking about the work.

When your strap is uncomfortable or unreliable, it chips away at your focus and your motivation. A strap that doesn’t breathe or doesn’t sit flat turns a simple daily habit into a small, constant annoyance — and a tracker you’d rather take off is a tracker that stops being useful.

Introducing the Zera Silicone Sport Strap for Fitbit Charge 3/4 — made specifically for the Fitbit Charge 3 and Charge 4. It clicks straight onto the tracker in seconds, with no tools and no fiddling, and it comes in Black, Dark Blue, Midnight Blue and Powder Sand.

  • Made from sport-grade TPE silicone that stays soft and flexible against the skin — skin-safe, hypoallergenic and breathable enough for all-day wear without irritation.
  • Sweat-resistant and water-ready: wear it through a training session, in the shower, or straight through a normal day. A quick rinse and dry keeps it looking fresh.
  • Perforated for airflow and built to keep its shape — it resists UV, oils and odour rather than stretching out or turning tacky over time.

It’s a strap for both halves of your day: the training session and everything that comes after it. With four colours to choose from, you can keep one on for the gym and swap to another when you’re out — changing over takes a few seconds and no tools.

Upgrade your Fitbit Charge 3 or Charge 4 today with the Zera Silicone Sport Strap and get comfort, easy care and a secure fit in a single strap. Don’t settle for a strap you have to think about — put it on and get back to what you were actually doing.

Trademark Notice

Fitbit® is a trademark of Fitbit LLC. This product is not manufactured by or affiliated with Fitbit LLC.
Zera — Silicone Sport Band (Powder Sand) — Fitbit Charge 3/4 - Nothing but Bands
Zera — Silicone Sport Band (Powder Sand) — Fitbit Charge 3/4 - Nothing but Bands

Engineered TPE Material Sport-Grade TPE Silicone With Shape Memory And Tear Resistance

This performance-grade TPE silicone gives a supportive feel yet stays comfortable when training gets hot. It’s skin-safe and easy to clean, resists UV, oils, and odor while keeping shape and flexibility through everyday wear.

Image of Zera — Silicone Sport Band (Powder Sand) — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band (Powder Sand) — Fitbit Charge 3/4 - Nothing but Bands

All-Day Breathable Wear Perforated TPE Silicone Sport Strap For Cool, Comfy All-Day Wear

Rows of precision vents boost airflow, wick moisture, and curb heat during runs, workouts and daily wear. A supple TPE-silicone blend moves with your wrist, resists sweat and odor, and stays light, soft, and secure all day.

Image of Arc — Silicone Sport Band (Black) — Apple Watch - Nothing but Bands
Image of Arc — Silicone Sport Band (Black) — Apple Watch - Nothing but Bands

Secure Buckle Closure Adjustable Buckle Closure Ensuring A Secure And Stable Daily Fit

The buckle closure allows controlled tightening so the strap stays in place during daily use. It provides a dependable hold without needing frequent readjustment, supporting comfort through varied movement.

Image of Zera — Silicone Sport Band (Dark Blue) — Fitbit Charge 3/4 - Nothing but Bands
Image of Zera — Silicone Sport Band (Dark Blue) — Fitbit Charge 3/4 - Nothing but Bands

Precision Device Fit Seamless connector alignment for Charge 3 & 4

The attachment is engineered specifically for Fitbit Charge 3 and Charge 4, locking into place with a steady, wobble-free hold. The connector sits flush to the watch housing, ensuring a natural transition and secure fit through daily movement.

Tried, Tested, Trusted

Swapped in, worn out—here’s the verdict.

Mateo Quispe
Forgot I was even wearing it

Honestly forgot I was wearing it. The braided nylon is soft against the skin, no snagging, no itch, and it stays comfy even on long workdays and workouts. Zero irritation—just super breathable and light.

Rowan McAllister
Still looks new after months

I’ve worn this strap daily for months—gym, beach, and showers. The silicone still looks new: no cracks, no stretch, and the clasp hasn’t loosened. Wipes clean in seconds and doesn’t absorb sweat.

Rami Darwish
Looks way more expensive

The stainless mesh feels solid and refined—no sharp edges, no color fade, and the magnet holds all day. It elevates the watch instantly; I’ve had multiple people ask if it came this way from the brand.

Cormac O’Rourke
Finally, a strap that doesn’t slip

I love how this strap adjusts so easily. The stretch nylon gives just the right snug feel without being tight, and it never slides around during workouts. It’s soft, breathable, and doesn’t hold sweat — honestly, it’s the most comfortable strap I’ve owned so far.”

FAQ

Is this strap compatible with my Fitbit?

Yes—made for Fitbit Charge 3 and Fitbit Charge 4. It clicks on in seconds and you’re good to go. Not compatible with Charge 2, Charge 5, Charge 6, or other Fitbit models.

Will it irritate my skin or cause sweat build-up?

No — the silicone is skin-safe and hypoallergenic, made for long wear. It doesn’t trap heat like cheap rubber straps, so your skin can breathe and stay comfortable even in warm conditions.

Can I wear it for workouts, showers, or daily activities?

Yes — the strap is sweat-resistant and water-ready. You can wear it to the gym, in the shower, or through your day-to-day routine. Just rinse and dry occasionally to keep it looking fresh.

How long does shipping take, and will I receive tracking?

We ship your order within 24 hours, and every package includes door-to-door tracking.

Delivery time is usually 5–12 business days, depending on your location and local carrier speed. Most customers receive their order sooner. You’ll automatically receive a tracking link by email as soon as your order ships.

What if I don’t like it or it doesn’t fit right?

You have 30 days to try it at home.

If the fit, color, or style isn’t right, we’ll help you exchange it quickly — no hassle. And if you’d still prefer a return, no problem — just send it back in its original condition and we’ll refund you.