O'NEILL BOYS UPF LS SHIRT
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An O'Neill Long Sleeve Rash Guard for Kids
The O'Neill Boys UPF LS Shirt is a long sleeve rash guard built with UPF sun protection, the kind of layer parents reach for on long South Florida beach days when a swim shirt needs to do double duty against both sun and board rash.
What This Shirt Offers
As a long sleeve UPF shirt in O'Neill's rash guard category, it is designed to be worn in the water, providing coverage for the arms and torso during swimming, surfing, or paddling. The full sleeve length extends sun protection further down the arm than a short sleeve option would.
Who It Is For
This shirt is built for boys who spend long stretches in the water, whether that is surf lessons, boat days, or an afternoon at the beach. A long sleeve rash guard is especially useful for kids who tend to get sunburned or who are still building tolerance for board rash on the arms and chest.
Wearing and Caring for It
Wear it as a base layer directly against the skin, either alone or under a wetsuit top for added warmth. Rinse in fresh water after ocean or pool use to rinse out salt and chlorine, and wash in cold water to help the fabric and any printed graphics last through repeated wear.
About O'Neill
O'Neill is the O'riginal California surf lifestyle brand, founded in 1952, with decades of experience building the rash guards and wetsuits that surfers of every age depend on.
Why Buy It at Island Water Sports
Island Water Sports has outfitted South Florida families since 1978. Shop this O'Neill rash guard in store or online and get it fit right the first time.
Free Shipping, No Minimum for IWS Beach Club Members.
Returns are eligible within 30 days of receiving your order. Return shipping labels are FREE for IWS Beach Club Members. See more
Specifications
- Brand
- O'Neill
- Product
- O'NEILL BOYS UPF LS SHIRT
- Gender
- Male
Frequently Asked Questions
- What is a UPF long sleeve shirt used for?
- It is worn in the water to provide sun protection across the arms and torso during swimming, surfing, or paddling.
- Is this rash guard long sleeve or short sleeve?
- It is a long sleeve style, giving extra arm coverage compared to a short sleeve rash guard.
- Can this be worn under a wetsuit?
- Yes, a long sleeve rash guard like this can be worn as a base layer under a wetsuit top for added warmth and rash protection.
- Who is this shirt sized for?
- It is part of O'Neill's boys line for kids.



















