We compared two running belts for phones: the Build & Fitness Running Belt and the HAISSKY Running Belt.
What we looked at
Closure design, phone fit, waist range, extras, and price.
The verdict
If you want a fastener-free belt with no buckles, zips or velcro and 4 openings, the Build & Fitness belt is the pick at £22.99. If you would rather save £13.00 on a zippered pack with 3 pockets, a headphone cable hole and reflective strips, the HAISSKY is the alternative, at £9.99.

A £22.99 stretchy flip belt with 4 openings and an internal key clip.

A £9.99 80g waist pack with 3 zipper pockets, for phones up to 6.9 inches.
Build & Fitness Running Belt, Flip Waist Pouch with Internal Key Clip — No Fasteners
Intended for: Marketed as a stretchy running belt with one continuous inner tube and four openings, an internal key clip on bright yellow elastic, no buckles, zips or velcro, and a fit for all iPhone sizes including Pro Max and Samsung Galaxy phones, in moisture-wicking, weather-resistant fabric. Carries 4.4 stars from 4.6K ratings on this listing.
What we liked
- No buckles, zips or velcro, so nothing to break
- Four openings into one continuous inner tube
- Internal key clip on high-visibility yellow elastic
- Fits all iPhone sizes including Pro Max, per the listing
Worth knowing
- Costs £13.00 more than the HAISSKY on these listings
- No zipped pockets or reflective strips stated
Best for
- Buyers who dislike zips and fasteners
- Anyone who wants a snug no-bounce fit
- Those who carry a large phone and keys
Not ideal for
- Budget-conscious buyers
- Anyone who wants zipped pockets
HAISSKY Running Belt, Lightweight Fitness Waist Pack (up to 6.9 inch) — Best Value
Intended for: Marketed as a lightweight waist pack of about 80g with 3 zipper pockets, a hole for headphone cables, a main pocket for phones up to 6.9 inches, a reflective strap over the zipper, water-resistant zips, and an adjustable fit for waists of 28.3 to 47.2 inches (72 to 120cm). Carries 4.3 stars from 4.4K ratings on this listing.
What we liked
- Cheaper than the Build & Fitness belt on these listings, at £9.99
- 3 zipper pockets and a headphone cable hole
- Reflective strap and strips for visibility
- Stated waist range of 28.3 to 47.2 inches
Worth knowing
- Uses zips, which the Build & Fitness belt avoids
- Slightly lower star rating than the Build & Fitness belt (4.3 vs 4.4)
Best for
- Buyers who want the lower price
- Anyone who wants several zipped pockets
- Those who run in the dark and want reflective strips
Not ideal for
- Buyers who want a fastener-free belt
- Anyone with a phone above 6.9 inches



