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Kids Sports Underwear

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Wearing sports underwear is about more than staying covered in the changing room – a good sports bra or undershorts will keep your child’s skin cool and dry (and help reduce sweat marks showing up on clothing), as well as provide support. They’ll also help with chafing during longer P.E or after-school sessions.
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Welcome to Decathlon's boys underwear and accessories page. Here at Decathlon we create sports clothes that are customized for different activities and sports. It doesn't matter if your kid's favourite sport is ski, snowboard, tennis, football or something else, we have a wide range of sports equipment to cover it all. Discover our unique range of boys underwear and accessories now.