Maru fins maru training fins pink super-short silicone training fins for better kick technique and ankle flexibility. A super short fin from maru, made from 100% silicone. A lightweight fin 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. The short blade design is ideal for swim training, offering the right balance of resistance and propulsion. Kick harder, kick smarter. 100% Silicone short blade design ankle flexibility leg strength lightweight fit training essential 3 key features high grade silicone constructed from 100% high grade silicone, these fins deliver a super soft, comfortable fit that holds up to regular pool use. Silicone is kinder to skin than rubber, reducing irritation on longer training sets. The material also retains its shape and flexibility session after session. Short blade for better technique the short fin design is specifically chosen to promote ankle flexibility rather than masking poor technique with excessive propulsion. A shorter blade encourages a more natural, correct kicking action that translates directly to improved freestyle and butterfly mechanics. It is the smart choice for swimmers focused on long-term development. Resistance and propulsion training designed to provide resistance and propulsion in equal measure, these fins are a practical tool for building leg strength during training. Using them regularly helps condition th...