Boys' Long-Sleeve Sunscreen Swimsuit – One-Piece UV Protection Swimwear

The Children's Sun Safety Problem: Sunscreen Wears Off, Swimwear Doesn't

Sun protection for children at the pool or beach is one of the most important and most consistently underestimated aspects of summer parenting. Sunscreen is essential, but it's not sufficient on its own — it wears off in water, it needs constant reapplication, and it's easy to miss areas. For children who spend extended periods in the water, the most reliable sun protection is physical coverage — fabric that blocks UV rays regardless of how long they've been swimming. A long-sleeve swimsuit is the most effective single piece of sun protection equipment available for children who swim.

This Boys' Long-Sleeve Sunscreen Swimsuit provides that protection.

Boys' Long-Sleeve Sunscreen Swimsuit — Full Coverage, High Elasticity, All-Day Protection

Constructed from 85% polyester with a spandex lining, this one-piece long-sleeve swimsuit provides full arm and torso coverage for boys who swim. The high-elasticity construction allows full freedom of movement for swimming strokes, kicks, and active water play without the restriction that stiffer fabrics create. The close-fitting design stays in position during swimming without the billowing and drag that affects looser swimwear. Available in multiple colour options — Zhangqing splicing, Blue splicing, and Yellow splicing — in sizes XL through 6XL based on height and weight.

How This Swimsuit Solves the Problems That Affect Children's Sun Safety

Problem 1: Sunscreen That Wears Off During Extended Swimming

The long-sleeve construction provides physical UV protection that doesn't wear off in water, doesn't need reapplication, and doesn't require the cooperation of an active child who doesn't want to stop swimming for sunscreen application. The fabric covers the arms and torso — the areas most exposed to UV radiation during swimming — providing consistent protection for the full duration of the swimming session.

Problem 2: Swimwear That Restricts Movement During Swimming

The high-elasticity polyester-spandex construction provides the freedom of movement needed for active swimming without the restriction that stiffer fabrics create. The close-fitting design reduces drag in the water, allowing children to swim more efficiently and comfortably. The 260 g/m² fabric weight provides enough substance to maintain its shape during swimming without adding unnecessary bulk.

Problem 3: Finding Swimwear That Fits Growing Boys Accurately

The height and weight-based sizing system provides a more accurate fit reference than age-based sizing, which can vary significantly between children of the same age. Measure your child's height and weight and refer to the size guide below for the most accurate fit.

Problem 4: Swimwear That Doesn't Stay in Place During Active Swimming

The close-fitting one-piece construction stays in position during swimming, diving, and active water play without the shifting and adjustment that affects two-piece swimwear. The elastane lining provides additional stretch and recovery that maintains the swimsuit's position and shape throughout the swimming session.

Children's Sizing Guide (Height & Weight Based)

Specifications

Brand: Man Li Shan | Outer Material: 85% Polyester | Lining: Spandex | Style: One-Piece, Long-Sleeve | Feature: UV Sunscreen, High Elasticity, Close-Fitting | Gender: Boys | Colours: Zhangqing Splicing, Blue Splicing, Yellow Splicing | Sizes: XL–6XL (height/weight based)