The pull-buoy is the swimmer’s essential accessory and will become your ideal training partner. This Z3R0D tool will help you build strength and power on your upper body while improving your swimming technique. It will make you work on your stability and your position in the water . This will improve endurance and buoyancy . Immobilizing the legs, its hydrodynamic shape improves flotation and your glide, while avoiding friction in the thighs. Concentrate on your arms and do the lengths! Also available in multicolor.

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