Mizuno MX ALPHA Half Spats Competition Swimsuit for Race and Sizes N2MB0411, Practice, 120-140

FINA Approved: Low-Drasticity Fabric Sewn Lace Swimsuit with Flat Swim Technology, MX SONIC α Body: Sonic Light Ribtex II: 65% nylon, 35% polyurethane Sonic Line Design-X Flat Swim Technology: Reduces resistance to the body by maintaining a flat posture. Supports the core and muscles from the hamstrings to the buttocks, significantly reducing water resistance by maintaining a flat posture that minimizes water resistance. Sonic Light Ribtex II: New fine lines have been added to the uneven surface structure of SONIC, LIGHT, and RIBTEX used in GX and Sonic III, reducing surface friction by approximately 2.6%. Also, achieving a weight reduction of approximately 3.2%. SONIC, LINE, DESIGN-X: A wide lining support area and cross-shaped support lines around the sacrum (which most reduces strain on the hamstrings) and in the internal rotation direction (further reducing strain on the hamstrings and quadriceps (front thighs)). Supports both upkicks and downkicks, improving lining fit.