
Welcome to 355
Lechatchila Ariber!
Your Local Brooklyn Gym
355 Lechatchila Ariber is a premier gym dedicated to helping its members achieve their fitness goals and live a healthier lifestyle. With our tagline "LAZINESS WILL CAUSE YOU PAIN", we believe in the importance of regular exercise and pushing beyond one's limits to achieve greatness. Our state-of-the-art facility is equipped with the latest workout equipment and staffed by experienced trainers who are committed to helping you achieve your desired results.
Whether you're a beginner or a seasoned fitness enthusiast, we've got everything you need to take your training to the next level. Join us today and experience the difference that comes with committing to a healthier, stronger you.
Why choose 355?
At our Crown Heights fitness studio, we combine top equipment, powerful classes, and a supportive community to help every member achieve lasting results.

TOP EQUIPMENT
State-of-the-art gear for CrossFit, Kickboxing, HIIT, and more. Train with the best equipment in Brooklyn.
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INTENSE CLASSES
High-energy sessions that build strength, endurance, and results for every fitness level.
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COMMUNITY GYM
A supportive Crown Heights fitness community where members push each other to succeed.
Our full range of classes
Women CrossFit Club
Peshy Tiefenbrun
Girls Hip-Hop
Emilie Brooklyn
Girls Hip-Hop
Emilie Brooklyn
Mens Kickboxing
Mike Jaffe
Womens Kickboxing
Cirilo smith
Women HIIT Club 50+
Chava Tiefenbrun
Women HIIT Club 50+
Chava Tiefenbrun
Women HIIT Club 50+
Chava Tiefenbrun
Women Cross-fit
Shaina Rotter
Boys IMA
Feliz R Majia
Girls Kickboxing 9-12yo
Chava Tiefenbrun
Mens IMA
Feliz R Majia
355 Apparel

Train hard, look sharp. Our apparel is designed for performance, comfort, and style. Perfect for every workout and everyday wear. From breathable fabrics to durable fits, 355 NYC gear keeps you moving with confidence in and out of the gym.

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