Maru fins maru training fins green super short silicone training fins designed to sharpen your kick and build leg strength. A super short fin from maru, made from 100% silicone, offering a lightweight construction with a super soft, comfy fit suitable for regular use. The short fin design promotes ankle flexibility and supports the development of a correct kicking action. Designed for resistance and propulsion, these fins help improve leg strength with every session. The short blade design makes them ideal for swim training at any level. Train smarter, kick stronger. 100% Silicone short blade design ankle flexibility leg strength lightweight fit regular training use 3 key features short blade for better technique the short fin design is specifically built to support the development of a correct kicking action. Unlike longer blades, the reduced length encourages proper ankle movement rather than relying on fin momentum. This makes them an excellent tool for swimmers working on technique as well as conditioning. High grade silicone construction made from 100% high grade silicone, these fins deliver a super soft, comfy fit that holds up to regular pool use. Silicone is more durable and skin-friendly than rubber alternatives, resisting chlorine degradation over time. The lightweight material also reduces fatigue during longer training sets. Resistance and propulsion training designed specifically for resistance and propulsion work, these fins add meaningful load to your kick ...