Castelli Sanremo S Speed Suit The Suit That Changed Racing Forever Evolution meets revolution in the Sanremo S Speed Suit, the latest incarnation of the suit that debuted at Paris-Roubaix in 2011 and fundamentally changed how cyclists dress for racing. Over a decade of continuous refinement through World Tour racing has made this the fastest all-purpose speed suit ever made, combining time-trial-level aerodynamics with the comfort and functionality needed for road racing, gravel, and long-distance efforts. The CFD-engineered seam placement and wind-tunnel-selected fabrics deliver up to 6% drag reduction at race speeds, while the full-front zipper and rear pockets keep you comfortable and fueled through the hardest efforts. The minimalist stripe mesh bib straps and Progetto X^2 Air seamless seat pad ensure you feel just as good at the line as you did at the start. Features CFD-engineered Aero Race 8S jersey top with ribbed sleeve fabric and CFD seam placement delivers up to 6% drag reduction at race speeds Aero-optimized Free Aero Race S bibshort bottom with Forza^2 stretch fabric provides 3% decrease in Cd A while maintaining complete freedom of movement Full-length front zipper with three rear pockets provides ventilation, easy nature breaks, and practical storage without compromising aerodynamic profile SPECIFICATIONSIntended Use Road Racing, Gravel Racing Fit Men's - Race Fit Jersey Fabric92% polyester, 8% elastane with engineered ribbed sleeve material Upper Sleeve Material65% polyester, 35% elastane engineered for aerodynamic advantage Lower Sleeve Material79% polyester, 21% elastane Shorts Material65% polyamide, 35% elastane Forza^2 Stretch fabric Zipper Full-length front zipper from neck to navel for complete ventilation control Pockets3 rear pockets for race nutrition and storage SIZING - MEN'SSize Chest Waist Hip Inseam XS92" cm80" cm94" cm82" cm S96" cm84" cm98" cm83" cm M100" cm88" cm102" cm84" cm L105" cm93" cm107" cm85" cm XL110" cm98" cm112" cm86" cm | Castelli | Sanremo S Speed Suit Men's | Size Extra Large In White | Polyester/elastane/polyamide