---
product_id: 624444398
title: "Arena Boys' Junior Racing Jammer Powerskin St Next Knee Length Tech Suit Competitive Swimsuit"
brand: "arena"
price: "€ 209.44"
currency: EUR
in_stock: true
reviews_count: 13
category: "Arena"
url: https://www.desertcart.hr/products/624444398-arena-boys-junior-racing-jammer-powerskin-st-next-knee-length
store_origin: HR
region: Croatia
---

# lightweight 65g design low water absorption & drag 60% recycled fabric Arena Boys' Junior Racing Jammer Powerskin St Next Knee Length Tech Suit Competitive Swimsuit

**Brand:** arena
**Price:** € 209.44
**Availability:** ✅ In Stock

## Summary

> ♻️⚡ Dive into sustainable speed and own the pool like a pro!

## Quick Answers

- **What is this?** Arena Boys' Junior Racing Jammer Powerskin St Next Knee Length Tech Suit Competitive Swimsuit by arena
- **How much does it cost?** € 209.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/624444398-arena-boys-junior-racing-jammer-powerskin-st-next-knee-length)

## Best For

- arena enthusiasts

## Why This Product

- Trusted arena brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ergonomic Freedom:** Low-profile seams and T-back design ensure unrestricted movement in every race.
- • **Featherweight Speed:** At just 65 grams, this jammer cuts through water with minimal drag.
- • **Endurance Compression:** Long-lasting, tight fit engineered for maximum power and streamlined form.
- • **Eco-Performance Fusion:** Race faster with over 60% recycled yarns powering every stroke.
- • **Certified Competitive Edge:** FINA & USA Swimming approved for official meets—join the elite swim squad.

## Overview

The Arena Boys' Junior Racing Jammer Powerskin St Next is a FINA-approved competitive swimsuit crafted from 65% polyamide and 35% elastane, featuring over 60% recycled fabric for sustainability. Weighing only 65 grams, it offers superior compression and durability with ergonomic low-profile seams and a T-back design for optimal freedom of movement. Designed for boys 12 and under, it reduces water drag and enhances power, making it a top choice for serious young swimmers.

## Description

Product description arena POWERSKIN ST NEXT arena Powerskin ST Next The first ever FINA-approved racing suit made with recycled fabrics. arena proudly introduces the next generation of competitive swimsuits: lighter, more durable, higher performing and sustainable. Created for precision and hydrodynamic performance in the water. THE NEXT GENERATION HAS NEVER BEEN GREATER Meet the world’s first racing suit made of recycled fabrics and experience enhanced performance while contributing to the reduction of waste at every stroke. arena proudly introduces the next generation of competitive swimsuit. The first brand worldwide to ever launch a sustainable racing suit: the ST NEXT. Compared to the previous ST 2.0, this re-envisioned version is 20% lighter, which results in less water absorption and drag. LIGHTER, FASTER, GREENER The specific characteristics of the new fabric provide a longer-lasting compression and, consequently, greater durability. In addition to its performance, ST NEXT utilizes sustainable materials. Over 60% of the yarns used in its fabrication come from pre and post-consumer waste, which would have otherwise been destined for landfills. The FINA approved status of the ST NEXT makes it the first of its kind to be suitable for competitions. A CLOSER LOOK SUSTAINABILITY Over 60% of the yarns in the fabric composition were sourced from pre and post-consumer waste that would otherwise end up in a landfill. LIGHTNESS The improved fabric construction makes the ST NEXT 20% lighter while providing an increased range of motion. DURABILITY Reinforced shoulder straps and enhanced fabric elasticity ensure the ST NEXT is both comfortable and compressive. FINA APPROVED FINA is the world governing body for aquatic sports. FINA approved swimwear must be used at FINA events. THE DETAILS HIGH PERFORMANCE FOR ALL Enhanced core support, body lift and stability help swimmers maintain optimum form in the water, from beginners to world class champions. SUPERIOR SUPPORT + COMPRESSION Additional lining incorporated into the top front and extending down the back of the leg, provides greater muscle compression in targeted areas. REINFORCED SHOULDER STRAP The ST Next's shoulder structure has a new design with extra reinforcement in the center strap for greater support in the shoulders and upper back. EASY ON AND OFF The upgraded fabric of ST NEXT has improved elasticity, which makes it easier and quicker to get on and off than other racing suits RESPONSIBLE PRODUCT To design and manufacture all products in a progressively more conscious way is a key step in the commitment we have taken. We are constantly working to develop more sustainable garments and accessories to reduce our environmental impact, while still guaranteeing the same distinctive performance, protection, style, comfort and fit that sets arena apart. This commitment led us to launch in the market the first FINA-approved racing suit made with recycled yarns, Powerskin ST NEXT. According to recognized international certifications, these sustainable fabric sources include PET plastic bottles and industrial waste such as yarn and chip waste. By working with recycled PET, nylon, silicone and polycarbonate, we are reducing the use of plastic and petroleum-based resources without sacrificing the benefits and characteristics of the fabrics. POWERSKIN RANGE arena Powerskin Impulso arena Powerskin Carbon Air2 Racing Created for precision and hydrodynamic performance in the water. Engineered for powerful performance and long-lasting comfort while competing. 60% Recycled Fabric Innovative textile made partially with recycled materials. Balanced Compression Designed for the optimal combination of compression, muscle support and comfort. Integrated Carbon Fiber Carbon Band compression technology is integrated into one piece of fabric. Flatlock Seams Fabric joined side by side with flat stitching for zero bulk. Hydrodynamic Hydrophobic treatment minimizes water absorption and resistance in the water. Second-Skin Effect One-piece design: no seams, maximum mobility.

Review: Good quality and fit - Good price and fit for my son
Review: The price was very good - It fit perfectly

## Features

- 65%Polyamide, 35% Elastane
- Imported
- Experience the phenomenal difference of the first ever FINA-approved racing jammer for boys made with recycled fabrics: lighter, more durable and faster
- Focused on sustainibility: over 60% of this sustainable fabric is made of recycled yarns; Please be advised, this jammer suit for racing is designed for a tight, compressive fit
- The jammer is significantly lighter which results in less water absorption and drag while the specific characteristics of the new fabric provide a longer-lasting compression and, consequently, greater durability
- The ergonomic construction with low profile seams ensures perfect fit and excellent freedom of movement; USA Swimming 12&Under approved
- Greater support and compression for increased power and a streamlined position in the water; World Aquatics (FINA) approved

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJ9WRGTY |
| Age Range Description | Big Kid |
| Apparel Closure Type | Drawstring, Pull On |
| Apparel Fabric Stretch | Medium Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Back Style | T Back |
| Best Sellers Rank | #113,310 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #21 in Boys' Athletic Swimwear Jammers |
| Brand Name | ARENA |
| Color | Aquamarine |
| Customer Reviews | 4.2 out of 5 stars 290 Reviews |
| Embellishment Feature | Logo, Piping |
| Fabric Type | 65%Polyamide, 35% Elastane |
| Fit Type | Snug |
| Fit to Size Sentiment | Runs Small |
| Garment Size Country | United States |
| Global Trade Identification Number | 03468336920138 |
| Item Type Name | Swim Trunks |
| Item Weight | 65 Grams |
| Lining Description | 84% Polyamide, 16% Elastane |
| Manufacturer | ARENA |
| Manufacturer Part Number | 005878-681-28 |
| Material Type | Polyamide, Elastane |
| Neck Style | Low Profile |
| Number of Items | 1 |
| Pattern | Solid |
| Product Benefits | Comfort and Durability, Ergonomic Construction, Extra-Flexible, Longer-Lasting Compression, Lower Water Absorption |
| Product Care Instructions | Hand Wash Only |
| Rise Style | Mid Rise |
| Size | 28 |
| Sleeve Length Description | Sleeveless |
| 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 |
| Swimwear Top Form | Rash Guard Top |
| Ultraviolet Protection Factor | UPF 50+ |

## Images

![Arena Boys' Junior Racing Jammer Powerskin St Next Knee Length Tech Suit Competitive Swimsuit - Image 1](https://m.media-amazon.com/images/I/61Oo81w-1NL.jpg)
![Arena Boys' Junior Racing Jammer Powerskin St Next Knee Length Tech Suit Competitive Swimsuit - Image 2](https://m.media-amazon.com/images/I/610ESRTuJEL.jpg)
![Arena Boys' Junior Racing Jammer Powerskin St Next Knee Length Tech Suit Competitive Swimsuit - Image 3](https://m.media-amazon.com/images/I/51GSr8X3CtL.jpg)
![Arena Boys' Junior Racing Jammer Powerskin St Next Knee Length Tech Suit Competitive Swimsuit - Image 4](https://m.media-amazon.com/images/I/61nIBPS0f0L.jpg)
![Arena Boys' Junior Racing Jammer Powerskin St Next Knee Length Tech Suit Competitive Swimsuit - Image 5](https://m.media-amazon.com/images/I/61ktUvSgSoL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality and fit
*by V***T on March 22, 2026*

Good price and fit for my son

### ⭐⭐⭐⭐⭐ The price was very good
*by D***K on May 3, 2026*

It fit perfectly

### ⭐⭐⭐⭐⭐ Follow the size chart given for youth jammers
*by D***R on March 4, 2026*

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.

## Frequently Bought Together

- ARENA Boys Racing Jammer Powerskin St Next Knee Length Tech Swim Suit
- ARENA Tracks Unisex Junior Youth Essential Racing Swim Goggles Kids Swimmers Young Racers 6-12 Anti-Fog Coated Non-Mirror Lens, Clear/Clear/Light Blue
- Speedo Unisex-Child Swim Goggles Vanquisher 2.0 Junior

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**Shop now:** [https://www.desertcart.hr/products/624444398-arena-boys-junior-racing-jammer-powerskin-st-next-knee-length](https://www.desertcart.hr/products/624444398-arena-boys-junior-racing-jammer-powerskin-st-next-knee-length)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-24*