"Sleefs" is a fitness apparel brand that produces high-quality athletic gear and accessories. The company takes client protection seriously, so it only employs the highest quality materials, such as high-end polyester textiles treated with UV-blocking technology. However, there are mixed reviews about the company. Some customers have reported issues with shipping and customer service. It's always a good idea to do thorough research and read multiple reviews before making a purchase from any online store.