Alpecin-Deceuninck x Kalas Prototype TT Suit – Ultra-Rare, Secret & Developed for Pure Speed This is **not just any time trial suit**. This **prototype TT suit**, developed by **Alpecin-Deceuninck in collaboration with Kalas**, was created as a **cutting-edge aerodynamic project**—**never released to the public, never sold in stores, and incredibly rare.** Designed for **maximal speed, aerodynamic efficiency, and time-trial dominance**, this suit represents the **absolute pinnacle of TT technology**. Item details: Size: [Specify size] Ultra-Rare Prototype: **Developed with Kalas & Alpecin-Deceuninck, never commercially available.** Secret Aero Fabrics: **Tested and refined for maximum watt savings.** Optimized for Drag Reduction: **Engineered for minimal turbulence and airflow disruption.** Long Sleeves with Seamless Aero Cuffs: **Maximizes aerodynamic efficiency.** No Rear Pockets: **Pure race performance—no unnecessary bulk or drag.** Pro-Level Chamois: Designed for **long TT efforts and absolute comfort in an aero position.** Why You Need This Suit: Developed for Marginal Gains: **This is cutting-edge race tech—built for every possible watt saving.** Ridden by WorldTour Pros: **Only a handful of these exist—used by the team in top-level races.** Never Available to the Public: **This is one of the rarest TT suits ever made—once it's gone, it's gone.** **NOTE:** Some used race suits may have **small pinholes from pinned race numbers**, a sign of their real race history. These do not affect performance. If you’re obsessed with aero gains and want to own a piece of **secret pro-level technology**, this is it. The fastest suit you’ll ever find—if you can get your hands on one.