Silex CrossFit is a fitness brand located in Saint-Gregoire, near Rennes. They offer a CrossFit training facility that is inclusive and open to all levels, ages, and physical conditions. In addition to the training facility, they also have a Paleo Cafe where customers can enjoy healthy and delicious meals at affordable prices. The unique selling proposition of Silex CrossFit is their focus on inclusivity and creating a supportive community.