Elevate Your Performance with the Aubrion React Long Sleeve Base Layer

Whether you’re galloping across the cross-country field or putting in the hours in the schooling ring, the Aubrion React Long Sleeve Base Layer is built to keep you focused on your ride, not your temperature. Shires designed this piece to act as a high-performance second skin, ensuring you stay dry and comfortable even when the intensity ramps up.

From our barn to yours, we know that gear needs to be as tough as the rider wearing it. This base layer combines a sleek, professional look with the technical features serious riders demand. Its body-skimming fit stays tucked into your breeches, while the 1/4 zip allows for quick ventilation when the training session gets demanding.

Why You’ll Love the Aubrion React

• Maximum Sun Protection: The UPF50+ main fabric shields your skin from harmful UV rays during long days in the summer sun.
• Advanced Climate Control: Integrated "free-flow" mesh panels on the sides and back release heat instantly, keeping your core temperature steady during high-intensity riding.
• Unrestricted Movement: Crafted with a 4-way stretch blend of 90% Polyester and 10% Spandex, this top moves with you through every jump and transition.
• Rapid-Dry Technology: High-performance moisture management wicks sweat away from the body, ensuring you stay dry and avoid the post-ride chill.
• Seamless Layering: The low-bulk seams and streamlined profile make it the perfect choice to wear under body protectors or technical air vests without bunching.

Best For

The active eventer or performance rider looking for a breathable, high-stretch layer that excels under protective gear or as a standalone schooling top.

Frequently Asked Questions

Q: How should the Aubrion React Long Sleeve Base Layer fit?

This top is designed with a "second-skin," body-skimming fit to minimize bulk. It generally runs true to size, but if you prefer a more relaxed, non-competitive look for casual riding, we recommend sizing up.

Q: Is this base layer suitable for cross-country?

Absolutely! The Aubrion React is a favorite for the XC phase because of its breathability under safety vests and the wide range of available colors to match your cross-country colors.

Q: Does it stay tucked in while riding?

Yes, the performance fabric and athletic cut are specifically designed to stay securely tucked into your breeches, even during active schooling or jumping.

Item Number/SKU: 11006FSHIAL