This is designed specifically for strength training, power sports and competitive lifting, 

Designed for elite strength athletes worldwide, these knee sleeves offer unparalleled support and warmth during training. Sold in pairs, these sleeves meet the maximum specifications allowed by the International Powerlifting Federation and are made with high-grade 7mm neoprene. Featuring reinforced seam construction and a full 30cm length, they are available in 11 sizes (3XS to 5XL) and are proudly manufactured in the United Kingdom. Each sleeve undergoes a rigorous quality control inspection and is hand wash only. These sleeves are approved by the IPF and comply with IWF regulations.