Castelli Core Short Sleeve Trisuit

now from £161.00

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price updated: 11/04/2026

Castelli Core Short Sleeve Trisuit

Castelli Core Short Sleeve Trisuit Whether you're just beginning on your triathlon journey or you're more experienced but budget-conscious, the Castelli Core Short Sleeve Trisuit delivers premium performance without the big-budget premium price tag. Fabrics have been chosen for their high functionality, maintaining comfort from the swim to the bike to the run. Elbow-length sleeves deliver smooth aerodynamics, with raw-cut edges lying smoothly and comfortably against the skin. The same attention to smooth airflow extends to the GIRO4 leg grippers, keeping everything in place while achieving aero gains. A 3/4 length YKK® front zip gives you complete control over temperature regulation and airflow.  Kiss Tri Seat pad Castelli’s Kiss Tri seat pad has been designed specifically for the demands of triathlon. Any unnecessary bulk has been removed, optimising comfort and mobility during the swim and run legs. However, targeted padding ensures excellent comfort on the saddle and extra fast-drying foam prevents chafing and discomfort when transitioning from swim to bike.

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About: Castelli

Castelli is a leading brand in the cycling industry, known for its high-performance cycling apparel and accessories. The brand has a rich history, dating back to 1876, and has been a favorite of professional cyclists for many years. Castelli offers a range of cycling clothing, including jerseys, shorts, and jackets, that are designed to maximize comfort and performance. The brand is known for its innovative fabrics and construction techniques, such as its use of windproof and water-resistant materials. Castelli also offers a range of cycling accessories, including gloves, hats, and socks, that are designed to complement its clothing line. With a focus on quality, innovation, and performance, Castelli is a popular choice for serious cyclists looking for top-of-the-line gear.

About: Sigma Sports

Sigma Sports is a leading cycling and triathlon retailer based in the United Kingdom. Sigma Sports provides a comprehensive range of products catering to cyclists, triathletes, and outdoor enthusiasts. The store offers a diverse selection of bicycles, cycling accessories, apparel, and gear from well-known brands. Sigma Sports is known for its commitment to quality, customer service, and expertise in the cycling industry. The retailer has both a physical store and a robust online presence, making it convenient for customers to explore and purchase products. Sigma Sports is often associated with a wide range of cycling disciplines, including road cycling, mountain biking, and triathlon.

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