Flexiband Large Resistance Band Color:Green The ergonomic construction sits comfortably HV4222 801 8 The ergonomic construction sits comfortably between your thighs to immobilise your legs but also be held between the ankles which will make for a more challenging workout for your torso and upper body as you try to keep your body straight whilst swimming The Water Wings vest provides fixed buoyancy and encourages a natural swimming position to get little ones used to using their arms and legs to move around in the water Perfect for active recovery post workout the PTP FlexiBand allows you to improve both your upper and lower body flexibility