Onvous Men's Swim Jammers, 4-Way Stretch, UPF 50+, Drawstring
Product description
Specifications
The 240 GSM polyester and LYCRA Xtra Life fabric gives these men’s swim jammers four-way stretch for movement in and out of the water. A quick-dry design also supports use beyond lap swimming.
A built-in liner and adjustable drawstring provide coverage and a secure fit for training sessions. The fabric is UPF 50+ and chlorine resistant, useful features for regular time at the pool or outdoor water activities.
Available in sizes 28–38 and colors including Black, Blue, Navy, and Camo, these jammers offer a streamlined alternative to board shorts for swimming. They can also be worn as a compression liner under board shorts or a wetsuit.
- Type: Men’s swim jammers
- Material: Polyester and LYCRA Xtra Life blend
- Fabric weight: 240 GSM
- Fit features: Four-way stretch, drawstring, and liner
- Protection: UPF 50+, chlorine resistant
- Sizes: 28–38
- Colors: Black, Blue, Navy, and Camo
Practical tips
For a compressed fit, choose your usual U.S. pants size. For a more relaxed fit, size up one. The drawstring lets you adjust the waistband, while the liner provides coverage during swimming and training.
For example, wear them on a lap-swim session, then use the same pair for a beach workout or kayaking. Their stretch supports movement across these activities, and the quick-dry construction suits use beyond the pool. They can also serve as a liner beneath board shorts or a wetsuit when that layering setup works for your activity.
Buyer feedback is mixed. Some customers appreciate the fit, appearance, and usefulness for training, while others report inconsistent sizing and concerns about fabric wear and seams. Following the size guidance can help you choose the intended fit.
Who it’s for
These jammers suit swimmers looking for coverage and a close-fitting style for lap swimming or training, as well as athletes who want swimwear they can also use for cross-training, running, surfing, kayaking, or beach workouts. The drawstring and liner are practical details for active use, while the option to wear them under board shorts or a wetsuit adds versatility. Choose a different swimwear format if you specifically want the looser feel of board shorts as your primary garment.
Questions before you buy
How should I choose a size? For a compressed fit, order your usual U.S. pants size. If you prefer a looser, more relaxed fit, order one size up.
Do these jammers have a liner and an adjustable waist? Yes. They include a liner and drawstring to provide coverage and help secure the fit.
Are they intended only for pool swimming? No. They’re described for lap swimming and training, as well as activities such as running, cross-training, ocean swimming, surfing, kayaking, and beach workouts.
When it makes sense
A solid pick if you want men’s swim jammers that combine four-way stretch, a liner, and a drawstring for active swimming, with the flexibility to use them for other workouts or as a layer under board shorts or a wetsuit. The 240 GSM fabric and available size range make the product details easy to match to your preferred fit and routine.