✎☡ For those who find Fitness Band #5 (X-HEAVY) insufficient, please give this a try!! It's a better deal than buying from Amazon or the official website. Resistance: 91kg-104kg ◉ For experienced weight trainers (men) ◉ For those aiming for full-body training or especially lower body strengthening ◉ Ideal for sprint training for athletes over 70kg (rugby, American football, track and field, etc.) ◉ For assistance with weight-bearing training (speed skating) ◉ As an aid for powerlifting ◉ Pull-up assistance (recommended even for those who can't do a single pull-up) Convenient to carry around. You can wash it whole, so you can rest assured! ✄-------------------‐✄ Muscle training, training