Thanks to the march of technology, skinsuits are no longer just used it crits and time trials, they are becoming more commonplace in road races as well. Assos, always up for a challenge, now offers a one-piece suit that is its fastest ever, the Lehoudini RS Aero Roadsuit S9. Constructed with a keen eye towards optimized patterning and textile engineering, you'll be shaving time everywhere on your ride. The Assos Lehoudini RS Aero Roadsuit S9 is faster in a number of different ways. For one thing, it's designed with the brand's aeroFit, its trimmest, most speed-focused cut that's even tighter and more compressive than its racingFit. It might feel restrictive standing up straight and out of the riding position but it clicks into place and feels like a second skin while riding. Loose clothing is slow clothing and ripples in fabric flap when wind passes over them disturbs the air flow. A snug fit ensures low drag by eliminating extra fabric for the wind to grab. Assos also made the Lehoudini RS Aero Roadsuit S9 faster by mixing in different materials and using different paneling techniques. Materials up top are chosen to be soft against the skin and slipperier to the wind, while the butterfly paneling fully wrapping the legs and converging in the rear to form the new ergoBox structure keep you faster. Other materials utilized throughout don't breathe as well, so instead of building the entire suit out of it, it's used strategically. Likewise, it has pockets and sleeves constructed of Push Pull warp-knit textile with 50 UPF protection. This fine gauge kit is highly breathable, has bi-stretch properties, and is quick drying and very comfortable. Since it's so stretchy, it's excellent in these locations where you need some movement and it accommodates varying arm sizes and contents in the pockets. However, if it made the whole suit of out this, it would be too stretchy so instead, it employs Type. 441, a patented 40-gauge warp knit developed specifically for compres...