Marathon

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Karlsson Aero Tee £75.00
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One of our most advanced training top to date, borne out of fundamental performance values that underpin the Castore brand. Built to endure, the unique carbon thread composition provides unparalleled fabric strength, four-way stretch and super lightweight feel. With every thread infused with anti-microbial silver and rapid dry thanks to its unparalleled sweat-wicking ability, you'll always remain fresh when training.

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Kappa 4 inch Speed Shorts £70.00
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The lightest shorts in the industry, this pair is built with the sole purpose of helping you increase your performance on long-distance runs. Tested against all leading sportswear brands, they are 18% lighter and dry 42% faster. Performance-driven and practical, the shorts featuring zipped pockets to hold all your mid-run essentials and the four-inch inside leg provides unparalleled support on the wearer's quads.