Comfortable UPF 50+ Swim Trunks for Boys
Lightweight polyester broadcloth, built-in mesh brief, and a drawstring waistband keep him safe and comfortable for all day water play.
Comfortable UPF 50+ Swim Trunks for Boys
Soft, Lightweight Fabric
Soft, Lightweight Fabric

100% polyester broadcloth feels soft and light for pool and beach days. The fabric weight and handmade print give a refined, comfortable finish.

Ready for Play All Day
Ready for Play All Day

A drawstring waistband and built-in mesh brief keep trunks secure during swimming and running around. The cut sits at the waist for familiar, comfortable wear.

Thoughtful Details for Safety
Thoughtful Details for Safety

UPF 50+ protection shields skin from the sun while he plays. Two side pockets and a back slip pocket offer quick storage without bulk.

UPF 50+ Protection
UPF 50+ fabric shields skin from sun during outdoor play.
Built-In Mesh Brief
Gives secure coverage and gentle support while he swims and plays.
Durable Construction
Broadcloth fabric and reinforced stitching hold up to regular wear and water play.
Easy Care
Machine wash cold and tumble dry low for simple, travel friendly maintenance.
How to Choose Boys' Swim Trunks

A few simple checks help you pick the right fit, sun protection, and features for your child's swim needs.

  1. Fit True To Size: These trunks fit true to size and sit at the waist. If your child is between sizes, choose based on current waist measurements.
  2. Check the Waistband: Look for a drawstring or elastic that adjusts easily. A secure waistband helps keep the trunks in place during active play.
  3. Prioritize Sun Safety: Choose UPF 50+ fabrics for long sun exposure. Combine with a rash guard or sunscreen for extra protection where needed.
  4. Consider Coverage: Inseam and rise affect how the trunks sit when swimming. This style has a 7 inch inseam in size small for moderate coverage.
  5. Care for Longevity: Follow the care instructions, wash cold and tumble dry low, and avoid harsh bleach to keep colors and fabric looking their best.
Frequently Asked Questions
What size should I order?

These trunks fit true to size and sit at the waist. The inseam is 7 inches in size small, and measurements vary by about +/- 0.5 inches per size.

Does the fabric protect from the sun?

Yes. The fabric provides UPF 50+ protection to help block UV rays during outdoor time.

How do I wash these swim trunks?

Machine wash cold and tumble dry low. Following these instructions helps preserve the print and fabric.

What is your shipping and return policy?

We ship from a US warehouse, offer free US shipping on orders over $100, and accept returns within 30 days. Human customer support is available if you need help.

Do the trunks have pockets and a secure fit?

Yes. There are two side pockets and one back slip pocket, plus a drawstring waistband and a built-in mesh brief for secure, comfortable wear.

From the Moogco Baby Journal
How to Choose Baby Clothes That Actually Work (Size, Fabric & Safety Guide)
By Eda Ulger , Moogco Baby Editor and mom of two · Updated May 2026 You're standing in the baby section holding two "3-month" onesies that look like they're meant for different species. One brand's sizing runs...
Read the guide →
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