The Mad Wave Bodyshell Jammers are a popular choice among competitive swimmers, offering advanced features at a competitive price point. The Black, Grey and Green Bodyshell X7 Racing Jammers are a great choice for those budget-conscious swimmers looking to upgrade their race suit from entry-level to Mid-range. These Mad Wave X7 jammers are constructed with a material, which incorporates a Plasma Nano coating to enhance hydrophobic properties, reducing drag in the water. An additional, Teflon coating further minimizes water resistance, allowing swimmers to glide more efficiently.Swimmers have noted that the Bodyshell Jammers provide a comfortable fit with balanced compression, ensuring freedom of movement during races. The use of flatlock seams contributes to reduced drag, and the internal drawstring allows for a secure and adjustable fit. Please note these racing suits are designed for 7-10 starts, after which the fabric gradually loses some of its effectiveness and the efficiency of the suit decreases. Features:Medium compression level;PTFE coating maximizes its hydrophobic properties;Reinforced seam technology;Silicone grippers above the knee;World Aquatics / FINA ApprovedShell Fabric: polyamide 66%, elastane 34%Lining: polyamide 66%, elastane 34%