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Don't let cold and testing conditions knock your winter training off track, instead grab a Castelli jacket to protect you from the elements. Castelli produce epic all-weather cycling jackets for freezing winter mornings and for heavy rain, as well as lighter windproof jackets for the spring. For commuters, there is a range of reflective Castelli jackets available too. Shop for men's and women's Castelli jackets in a variety of styles, sizes and colours at Sigma Sports.
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