FEATURES 3-panel Internal Lining - for enhanced freedom of movement One-piece Construction - for a better fit Integrated Horizontal Carbon Bands - to provide compression core stability and power Absorbs Less Water - resulting in less drag Easier To Put On - feels like a second skin FINA Approved The FINA-approved mens Arena Powerskin Carbon Air 2 racing jammers have a 3-panel internal lining to give greater freedom of movement. This reduces pressure on the hips and improves flexibility around the hip flexors. The integrated horizontal carbon bands lockdown at a critical stretch point to provide compression on overextended zones core stability and power where it's needed. *Please note this is a specialised piece of compression swimwear designed for athletes. If you are unsure whether this will be suitable please get in touch with our customer services team