Supports & protects calf muscles. Ideal for rowers who get track bite. Nylon Neoprene & Velcro plush construction. 3mm thickness. Fully adjustable with Velcro closure. Neoprene calf protectors protect calves from abrasions and cuts caused by rubbing against seat rails which can lead to more serious health issues like MRSA. Safeguard yourself and your team with a set of these comfortable & practical calf protectors! Made in New Zealand