Mountain Warehouse Long Sleeve Rash Vest - Blue - Size: 18

UPF 50+ means that the fabric allows only 1/50th (or less) of the sun's ultraviolet rays to pass through it, providing excellent protection against sunburn and long-term skin damage.

This rash vest is designed primarily for sun protection and is not intended as a thermal insulating garment. It is lightweight and will not provide significant warmth in cold water. For warmth, consider a thicker wetsuit or neoprene top.

Yes, absolutely. The flat seams and close fit are specifically designed to make it comfortable and prevent chafing when worn under a wetsuit.

Hand wash or machine wash on a gentle cycle with cold water and a mild detergent. Rinse thoroughly after use in saltwater or chlorine. Always air dry and do not tumble dry or iron.

The product information does not specify the absence of harmful chemicals, but it does confirm the fabric has a UPF 50+ sun protection treatment. Always refer to the product packaging for the most detailed information.

The rash vest is typically made from a soft and comfortable stretchy fabric, often a polyester blend, designed for quick drying and comfort.

Ensure you have selected the correct size. The design is meant to be close-fitting for reduced chafing, but if it feels overly tight, consider trying a size up. Always check the size guide before purchasing.

Ensure the vest is flat against the skin and not bunched up. For extreme sensitivity, applying a thin layer of anti-chafing balm before wearing might help. Ensure the fit is correct; too loose can also cause friction.

Follow care instructions precisely, avoiding harsh detergents, bleach, and high heat drying or ironing, which can degrade the UPF treatment over time.