Constructed from a lightweight energy absorbing polymer foam that is perforated for high levels of airflow and comfort, the NUCLEON KR-H Hip Protector is CE certified to Level 1 (EN 1621_1: 2012). The Nucleon KR-H is anatomically profiled to allow freedom of movement while riding and can be worn under leather racing suits. This protector is ergonomically profiled, lightweight, and made from energy-absorbing memory foam. It is supplied as a pair.