U101
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Crafted from a 4-way stretch polyester-spandex blend (85% polyester, 15% spandex), this set features a short-sleeve rash guard with UPF 50+ rating and quick-dry swim trunks, ideal for beach days, pool parties, and water sports. The lightweight fabric resists chlorine and saltwater, while the elastic waistband ensures a secure fit for boys aged 4-12.
Advanced Sun Protection:
UPF 50+ rated rash guard blocks 98% of UVA/UVB rays, exceeding ASTM D6603 sun protection standards for prolonged outdoor use.
Flatlock stitching reduces chafing on the neck and shoulders, critical for active swimming and beach sports.
Performance Fabric Technology:
Moisture-wicking fabric dries 30% faster than standard swimwear, with antibacterial treatment to prevent odor buildup after multiple wears.
Four-way stretch allows unrestricted movement during surfing, snorkeling, or pool games, with a 20% higher elasticity recovery rate.
Functional Design Elements:
Swim trunks feature a mesh-lined interior, side pockets for small items, and a drawstring waist for adjustable fit (waist size: 22-28 inches).
Rash guard neckline with reinforced stitching to withstand frequent pulling on/off, available in vibrant color-block patterns or sporty stripes.
Water Sports: Perfect for surfing, paddleboarding, and snorkeling, providing full torso coverage without restricting arm movement.
Family Vacations: Lightweight and packable (weighs 200g per set), fitting easily into carry-on luggage for beach trips and cruises.
Swim Lessons: Approved by USA Swimming for training sessions, with a tagless design to prevent skin irritation during long hours in the water.
Safety First Certification: OEKO-TEX Standard 100 certified for zero harmful chemicals, safe for sensitive skin and compliant with EU REACH regulations.
Durability Testing: Swim trunks undergo 500+ hours of saltwater immersion testing without color fading, backed by a 1-year warranty against stitching defects.
Customizable Sizing Guide: Free size consultation service to ensure the perfect fit, with size charts calibrated for both average and athletic body types.

Crafted from a 4-way stretch polyester-spandex blend (85% polyester, 15% spandex), this set features a short-sleeve rash guard with UPF 50+ rating and quick-dry swim trunks, ideal for beach days, pool parties, and water sports. The lightweight fabric resists chlorine and saltwater, while the elastic waistband ensures a secure fit for boys aged 4-12.
Advanced Sun Protection:
UPF 50+ rated rash guard blocks 98% of UVA/UVB rays, exceeding ASTM D6603 sun protection standards for prolonged outdoor use.
Flatlock stitching reduces chafing on the neck and shoulders, critical for active swimming and beach sports.
Performance Fabric Technology:
Moisture-wicking fabric dries 30% faster than standard swimwear, with antibacterial treatment to prevent odor buildup after multiple wears.
Four-way stretch allows unrestricted movement during surfing, snorkeling, or pool games, with a 20% higher elasticity recovery rate.
Functional Design Elements:
Swim trunks feature a mesh-lined interior, side pockets for small items, and a drawstring waist for adjustable fit (waist size: 22-28 inches).
Rash guard neckline with reinforced stitching to withstand frequent pulling on/off, available in vibrant color-block patterns or sporty stripes.
Water Sports: Perfect for surfing, paddleboarding, and snorkeling, providing full torso coverage without restricting arm movement.
Family Vacations: Lightweight and packable (weighs 200g per set), fitting easily into carry-on luggage for beach trips and cruises.
Swim Lessons: Approved by USA Swimming for training sessions, with a tagless design to prevent skin irritation during long hours in the water.
Safety First Certification: OEKO-TEX Standard 100 certified for zero harmful chemicals, safe for sensitive skin and compliant with EU REACH regulations.
Durability Testing: Swim trunks undergo 500+ hours of saltwater immersion testing without color fading, backed by a 1-year warranty against stitching defects.
Customizable Sizing Guide: Free size consultation service to ensure the perfect fit, with size charts calibrated for both average and athletic body types.
