Yes, There are plenty of websites that specialize in cycling clothing. Performancebike.com is one online website that has a large variety of cycling clothing.
Saphora the womans cycling clothing brand is an Australian company receiving great reviews amongst the cycling press. There own website tells the full story of the business and brand, with many of their products available to buy from specialist cycling stores such as shespoke etc.
Portland Cycle Wear, Woolistic and Ceder Cycling sell wool cycling clothing. They have a great online selection as well. Be sure to check with your local cycling shops to see if they sell it as well.
Sugoi sells clothing suitable for outdoor sports such as running, cycling and triathlon. They have a wide range of clothing available to suit the needs of the people that partake in such activities. This includes sports shirts and sports trousers.
There are a couple of companies that make cycling clothing from organic materials, but in general many have spandex or rayon. Zoic is a USA company that has started a line of organic material clothing you may want to check out.
The equipment needed for cycling includes a bike. You will also need the proper work out clothing to exercise in.
There's a wide variety of sources out there for cycling shorts, so you should ensure that you're getting the best of the best. One of the stores with the best selection can be found at http://www.rei.com/search?cat=4500003_Cycle+Clothing&search=Cycling+Shorts
Assos is a company out of Switzerland that sells cycling clothes. One can buy clothing online or at a physical store location. There are many authorized dealers of Assos clothing throughout the United States. Generally one can find Assos clothing at cycling specialty stores.
skin tight ones ;)
Castelli is a brand which specialise in clothing for cycling. They have a website and their clothing can be browsed and purchased from here. They sell a wide range of products for both men and women. Castelli clothing can also be purchased from a range of specialist cycling stores such as Je James Cycles.
You can learn to do winter cycling anywhere and contrary to many suggestions it is actually very safe as long as you follow a few simple rules. Make sure that you have the correct protective clothing and that your bike has the right tyres and you should be fine as long as you pay attention to your surroundings.
Many national retailers like Dicks and Academy have cycling gear. You can shop online for cycling gear at http://www.velogear.com/. There is also http://www.nashbar.com/bikes/TopCategories_10053_10052_-1 which is currently having a 4th of July sale.
You want to remain very safe while cycling, therefore the recommended gear for cycling is a helmet. Then you also may want to cycle competitively, and then you should get Louis Gameau clothing, which will really help to increase your performance while cycling.