They’re also hydro-dynamically designed and feature a scooped front-end to catch the phase of your stroke with added holes to increase your feel of the water. Can be used on their own or with a pull buoy allowing you to focus solely improving your swimming stroke technique. Zoggs Recommends…If you’re considering training with hand paddles for the first time, you should always begin training with a smaller size (i.e. medium) regardless of the size of your hand.<br /><br />Specification<br />Hydro-dynamically designed to improve stroke mechanics. Scooped front-end initiates catch phase of stroke. Added holes for increased feel of water.Measurements – H: 18.5cm / W: 13cm.