
Now back to my other gripe. I would start to sweat a lot whenever I put wear this jacket. At first I thought this jacket was made of some super material that kept wind and water out while allowing it to breath. Well that's not the case. Yes, the jacket is made of a "highspeed, low drag" material, and it does an excellent job of blocking the wind and keeping you dry in light rain. However, protecting you from the elements has it trade-offs. It loses it ability to breath. Here is what the Assos website says:
"Attention however! The climaJet protects from the outside, but this also means that the moisture transfer from the inside towards the outside is slowed down; this regardless from how breathable the wind and/or rain breaker material is. Consequently, we recommend not using shells (regardless of brand and make) when riding hard for a longer amount of time because the body will sweat more, dehydrate and in the process loose essential minerals. This will cause cramps and loss of power. To reduce and minimize this effect, we have incorporated lateral air vents for efficient cooling and evaporation."
After reading this I realized what the jacket is designed for. It's a great jacket to wear at the start of the ride, while you're still warming up. It's even better to wear on long cold descents. The jacket is NOT good for hard rides or interval workouts.
I wore my jacket the other night on a nice easy recovery ride. I wore over my longsleeve jersey and it kept me comfortably warm in 50 degree weather.
In conclusion, I recommend this jacket as an additional fall (or winter if you're on the West Coast) layer. It does a great job of protecting from the wind and light rain. However, it's not designed to worn on long hard rides; it will cause you to sweat - a lot. It can be difficult to put on and take off while riding. Overall, it's a great jacket. That is, if you can afford the $240 price tag. Like I said, I received mine as a gift.