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The Arena Boys' Junior Racing Jammer Powerskin St Next is a knee-length competitive swimsuit crafted from a sustainable blend of 65% polyamide and 35% elastane, featuring over 60% recycled yarns. Designed for a tight, compressive fit, it reduces drag with lightweight fabric and ergonomic low-profile seams. Approved by World Aquatics (FINA) and USA Swimming for official competitions, it also offers UPF 50+ sun protection, making it the ultimate tech suit for young swimmers aiming to excel.













| ASIN | B0CJ9X24C5 |
| Age Range Description | Big Kid |
| Apparel Closure Type | Drawstring, Pull On |
| Best Sellers Rank | #163,657 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #16 in Boys' Athletic Swimwear Jammers |
| Brand Name | ARENA |
| Color | Navy |
| Customer Reviews | 4.2 out of 5 stars 277 Reviews |
| Embellishment Feature | Logo, Piping |
| Fabric Type | 65%Polyamide, 35% Elastane |
| Fit Type | Snug |
| Global Trade Identification Number | 03468337098072 |
| Item Type Name | Swim Trunks |
| Item Weight | 65 Grams |
| Lining Description | 84% Polyamide, 16% Elastane |
| Manufacturer | ARENA |
| Material Type | Polyamide, Elastane |
| Neck Style | U-Neck |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Rise Style | Mid Rise |
| Size | 28 |
| Sleeve Type | Sleeveless |
| Special Size Type | Standard |
| Strap Type | Non-Adjustable |
| Style Name | Junior Racing Jammer Powerskin St Next Knee Length Tech Suit Competitive Swimsuit |
| Style Number | 005878 |
| Swimwear Bottom Form | Jammer |
| Swimwear Form Type | Bottom Only |
| Ultraviolet Protection Factor | UPF 50+ |
| Unit Count | 1 Count |
V**T
Good quality and fit
Good price and fit for my son
D**R
Follow the size chart given for youth jammers
My son loves the fit of the jammers. He loves the leg compression as well. I measured his waist and hips and followed the size chart. DO NOT SIZE DOWN when buying these youth jammers. Stick with the size chart given. My son waist is 24 inches and hip 27.8 inches and his height is about 148cm and i bought the size 26 jammers.
C**S
Arena techsuit, suits for competition
Definitely worth buying this techsuit for my 8 year old son. Who got first ppace in the 50m boy backstroke and breaststyle. It definitely made his swimming compete as the suit is meant for it. I am ordering one more time in different color as a reward for his achievement. If you are looking for a swimsuit for competition., don't hesitate to buy a proper swimming competition like tech suit as it will help them win the competition.
R**K
Good Jammers- hand wash
Very good jammers for 12U competition. I read a review stating the 12U compliant check box was coming off and they thought these were counterfeit. Not true. You do need to hand wash them though. Don’t run them through the machine with the rest of your clothes.
A**R
Size up or pass on this
Not the correct size. Compared to other multiple pairs of arena jammers, this one is easily a whole size smaller. Even if it’s “power skin” the size discrepancy is huge. There’s also stickers affixed to the backside that don’t wash off or peel off. I question if this is a genuine arena product or if it’s a knock off. Outside of the label it’s very dissimilar to the other jammers. I’d pass on this purchase for the price.
B**N
Runs SMALL
This suit runs VERY SMALL! Great quality, just ordered too late for a champs meet and was disappointed it wasn’t fitting my son. Love Arena!
R**V
The best
The best
L**S
Snug Fit, Streamlined Profile, Faster Performance
I'm amazed kids can squeeze into these tech suits, but they do, and definitely help improve speed performance. I ordered these in size 26 for a 12 year old; we returned them for a 28 (a very easy process) and that was a better fit. Pricey but worth it.
Trustpilot
2 weeks ago
1 day ago