Description
Product Overview
O’Neill has built a reputation for delivering high‑performance marine apparel, and the Men’s Basic Skins UPF 50+ Sun Shirt is a testament to that legacy. Constructed from an 87% polyester and 13% spandex blend, the fabric provides a perfect balance of durability, flexibility, and comfort. The material is engineered to be lightweight yet robust, offering four‑way stretch that moves with the body while maintaining its shape during vigorous activity. The shirt’s UPF 50+ rating ensures that harmful ultraviolet rays are effectively blocked, making it an essential piece for anyone spending extended periods outdoors, whether on the water or on the beach.
Designed with a semi‑relaxed, slim fit, the shirt contours to the torso without restricting movement, delivering a sleek silhouette that looks good both in and out of the water. The quick‑dry technology pulls moisture away from the skin, allowing the wearer to stay dry and comfortable even after intense sessions of surfing, paddleboarding, or swimming. Seam construction utilizes super‑strong overlock stitching, which reinforces high‑stress areas and extends the garment’s lifespan. The shirt also features a breathable mesh lining that enhances airflow, reducing heat buildup and promoting a cool, dry feel throughout the day.
Key specifications include a package dimension of 10.31 x 8.35 x 1.46 inches, a lightweight package weight of 0.25 kilograms, and a product weight of just 0.2 pounds. The shirt is available in a classic white color and a large size, catering to a broad range of body types. The model number 4339-025-L and ASIN B00GD22O7G provide easy reference for inventory and online searches. With a customer rating of 4.5 out of 5 stars from over 500 reviews, the product has proven its popularity among water sport enthusiasts.
Usage
This sun shirt is engineered for versatility across a wide range of water‑based activities. Whether you are catching waves on a surfboard, gliding across calm waters on a paddleboard, or diving beneath the surface for a snorkeling adventure, the shirt offers the protection and performance you need. Its UV‑blocking properties make it suitable for early‑morning or late‑afternoon sessions when the sun’s intensity can still be high, while the breathable fabric ensures you remain comfortable during hot summer days.
Beyond water sports, the shirt is an excellent choice for beach volleyball, coastal jogging, and even casual seaside walks. The quick‑dry feature means you can transition from water to land without feeling clammy, and the slim fit design allows you to layer it under a light jacket for cooler evenings. The shirt’s abrasion‑resistant surface also provides a layer of protection against surfboard fins, sand, and other environmental elements that can cause skin irritation.
Targeted primarily at men who value both functionality and style, the shirt’s design accommodates a range of skill levels—from beginners learning to paddle to seasoned athletes training for competitions. Its easy‑care nature means it can be machine washed without special handling, and the fabric’s resistance to chlorine and saltwater ensures longevity even with frequent use.

Why Choose Us
Choosing O’Neill means selecting a brand with decades of experience in marine apparel, backed by a commitment to quality and customer satisfaction. Each shirt undergoes rigorous testing for UV protection, stretch recovery, and durability, ensuring that the product meets the high standards expected by serious water sport participants. The company offers a limited one‑year warranty covering workmanship and materials, providing peace of mind that any manufacturing defects will be addressed promptly.
O’Neill’s customer service team is dedicated to assisting buyers with product inquiries, sizing guidance, and warranty claims. The brand’s extensive network of retailers and online support channels makes it easy to find assistance whenever needed. Moreover, the shirt’s design reflects a thoughtful blend of performance technology and aesthetic appeal, allowing you to look confident while enjoying the benefits of advanced fabric engineering.
Environmental responsibility is also a core value for O’Neill. The manufacturing process incorporates sustainable practices, and the polyester‑spandex blend is sourced from recycled materials where possible, reducing the ecological footprint of each garment. By investing in this sun shirt, you are supporting a brand that prioritizes both athlete performance and environmental stewardship.
Key Features
- UPF 50+ protection blocks over 98% of harmful UV rays for safe outdoor activity.
- Four‑way stretch polyester‑spandex fabric moves with you, offering unrestricted motion.
- Quick‑dry technology wicks moisture away, keeping you comfortable during intense sessions.
- Durable overlock stitching and abrasion‑resistant surface extend product lifespan.
- One‑year warranty and responsive customer support ensure reliable after‑sales service.
FAQ
What does UPF 50+ mean for sun protection?
UPF 50+ indicates that the fabric blocks at least 98% of ultraviolet radiation, significantly reducing the risk of sunburn and long‑term skin damage during prolonged exposure.
Is the shirt suitable for cold water activities?
While the shirt provides excellent UV protection and quick‑dry performance, it is not insulated. For cold water, you may want to layer it under a wetsuit or thermal shirt for added warmth.
How should I care for the shirt to maintain its performance?
Machine wash the shirt in cold water with mild detergent, avoid fabric softeners, and tumble dry on low heat or hang to dry. This helps preserve the stretch and UV‑blocking properties.
Can I wear the shirt for land‑based sports?
Yes, the breathable, lightweight design makes it comfortable for activities like beach volleyball, running, or hiking, providing UV protection and moisture management on land.
What is covered under the one‑year warranty?
The warranty covers defects in workmanship and materials. If the shirt is found defective under normal use, O’Neill will repair or replace it at their discretion. Refunds are not offered.


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