Costs To participate in trainings and/or matches you should possess a 12-monthly X-subscription. For more information about this please check https://www.tudelft.nl/en/x/subscriptions-and-rates/.The costs for trainings, competition and materials at D.S.F.V. Blue Falcons are as follows:€55,- Membership fee€53,- Competition fee (1st, 2nd, 3rd men’s team or ladies team)€25,- Mixed competition fee (per half year)€60,- Buying a Match Kit€20,- Renting a Match Kit for half a year