The Propel Buoyancy Short is better than a pull buoy because it allows you to kick and turn naturally.
FLOATING AND DURABLE - Premium Japanese Yamamoto 39 Cell smooth leather and laminated nylon neoprene is buoyant and durable, preventing your legs from sinking in and putting you in a perfect horizontal swimming position. REDUCED
WATER RESISTANCE - The hydrodynamic Super Composite Skin (SCS) coating reduces surface drag for more speed.
COMFORT AND SUPPORT - The inner lining is designed for 520% stretch