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Discover our memberships

New to Underground? When you purchase your membership, you’ll automatically create an account. With this login, you can easily book your classes and manage your credits.

Already part of the Underground family? Simply log in — your new credits will appear right away.

Trial Package & Single Class

Trial Week — 3 Classes for €15

€ 5,00 per class

Try Underground and choose any 3 classes you like! Available for new members only, valid for 7 days after your first booking.

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Single Class — €15

Enjoy one-time access to Underground.
Join any class of your choice! Valid for 14 days after purchase.

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Personal Training

Personal Training – € 79

A private 1-on-1 session designed to help you work toward your personal goals with one of our trainers.
Can be scheduled after purchase.

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Duo Personal Training – € 120

A 1-hour duo session where you and your training partner work toward your goals together with one of our trainers.
Can be scheduled based on availability after purchase.

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Regular Monthly Memberships

1x a week – €39 / month

€ 9,00 per class

One class a week. Choose any class you like to boost your week with energy.

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3x a week – €75 / month

€ 5,75 per class

Three classes a week. Choose any three classes each week to keep your energy flowing.

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5x a week – €89 / month

€ 4,10 per class

Five classes a week. Choose any five classes each week to power your week with energy.

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Flex Monthly Memberships

1 class a week (Flex) – €43 / month

€ 9,92 per class

One workout a week of your choice — no contracts, no hassle, valid for 1 month.

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2 classes a week (Flex) – €78 / month

€ 9,00 per class

Two workouts a week of your choice — no contracts, no hassle, valid for 1 month.

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3 Classes a week (Flex) – €99 / month

€ 7,62 per class

Three workouts a week of your choice — no contracts, no hassle, valid for 1 month.

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Student Monthly Memberships

1x a week (Student) – €29 / month

€ 6,69 per class

One class a week. Choose any class you like. Available with a valid student ID.

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3x a week (Student) – €60 / month

€ 4,62 per class

Three classes a week. Choose any class you like. Available with a valid student ID.

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Class Packs

5-Class Pack – €65

€ 13,00 per class

Enjoy 5 entries to Underground. Join any class of your choice! Valid for 2 months after purchase.

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10-Class Pack – €125

€ 12,50 per class

Enjoy 10 entries to Underground. Join any class of your choice! Valid for 3 months after purchase.

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20-Class Pack – €200

€ 10,00 per class

Enjoy 20 entries to Underground. Join any class of your choice! Valid for 6 months after purchase.

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Kids Classes

Kickboxing Kids (6–12) – Single Class – €8.50

One class — perfect for kids who want to experience what it’s like to train at Underground.

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Kickboxing Kids (12–16) – Single Class – €9.50

One class — perfect for teens who want to experience what it’s like to train at Underground.

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Kickboxing Kids (6–12) – €75 / month

€ 7,50 per class

A fun way to get your child moving, build confidence, and have a great time. Full of energy, play, and skill development.

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Kickboxing Kids (12–16) – €85 / month

€ 8,50 per class

10 energetic classes spread over 3 months — perfect for beginners and for teens who want to improve their skills in a motivating environment.

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Special Programs

Ring Ready – €250 / month

An exclusive training program for fighters who are ready to step into the ring.
2 sessions a week over the course of 3 months.

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8-Week Diabetes Program – €399

Learn how to move better, eat healthier, and minimize health risks related to diabetes.

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