Rather than wandering the streets shopping for new clothes and accessories, why not beat the heat and surf the Net instead? The Internet allows you to preview a wide range of popular brands on-line before deciding whether to buy. Guess? ( http://www.guess . com/) is one the world's largest jeans and accessories companies. The Guess on-line store shows you the latest in jeans and casual wear this season. The site also has fashion corners for men, women, accessories, mix and match and sale items. The Internet site features more than 100 styles of jeans for men and women, complete with different styles with full graphics and descriptions. Pascal jeans, riveted carpenter jeans, urban fit premium denim and fashion denim are some of the hot items this season. If you are clueless when it comes to deciding what goes with your jeans, the site recommends you a few mix and match shirt and T-shirt styles to go with the jeans you select. In the buying FAQs (frequently asked questions), you will find size charts, a jeans guide and care instructions ( http://www . guess.com/store/about.htm) to help customers. The jeans guide gives you a better idea of how different cuts - such as bootleg, classic, hip huggers, pascal and urban - fit. This summer, daddy pants, sleeveless American T-shirts, pascal jeans and tribal border shirts are hot items at the Guess stores. The site also has special corners - G Style, G Spot, News, Events and Promotions - featuring the latest styles. You can also register at the site to visit its VIP Lounge complete with galleries, model bios and fashion magazines. You can also send postcards ( http://www.188.8.131.52/gspot/postcards/ ) featuring glamorous models wearing the latest mix and match styles to your friends. The Levi Strauss on-line store ( http://www.levis.com/ ) features all its jeans cuts and styles for young men and women. Apart from shorts, shirts and jackets, khaki is the hot pick to keep you cool this summer. The site also has information on products on sale and where the stores nearest to you are located. You can become a member and receive regular updates about Levi products. Besides listing its clothes for men and women, at the virtual shops of Italian jeans brand Diesel ( http://www.us.diesel . com/index.html) you can see its summer collection, denim, children's and fragrances corners. The Diesel StyleLab ( http://www.stylelab.com/ ) introduces you to different popular styles this season. It is nicely designed but its heavy graphics content means it may take longer to download. When you enter this site, you can join an interesting on-line game - Stop the Crime - in which you have to use clues to uncover the culprit from a database of suspects. Athletic-shoe makers Nike ( http://www.nike.com ) and Reebok( http://www.reebok . com) are also on the Net. The Nike site has an energetic and action-packed outlook. You can shop for gear for your favourite sport - whether it is basketball, football, golf, cross- country, running, soccer or tennis. You can use the product finder to search a list of products. The site also shows the latest Nike television commercials. You will also find connections to Nike Business ( http://www . nikebiz.com), Nike Posters ( www.nikeposters.com ) and other Nike-related sites. Local chain store IT ( http://www.ithk.com ) is a new fashion force in Hong Kong aimed at the young and affluent. What makes this site different is the list of 42 fashion brands ( http://www.ithk.com/brands/ ) the shop offers - including Helmut Lang, Paul Smith and Takashi Ohno - for young people. You will find detailed descriptions of each brand complete with details of its designers, history, image, theme and links to official sites. This gives you a better understanding of the fashion designers and their themes. If you are interested in any products, you can find out which IT shops sell them. There are also details of the latest promotions, discount cards and shop locations at the site. The site's heavy graphics content and use of flash animations mean it takes a while to download. Other fashion Web sites include Benetton ( http://www . benetton.com) and Sisley (http: // www.sisley.com/ ). Besides jeans, T-shirts and footwear, a good pair of shades are an essential part of any summer outfit. Putting on your favourite sunglasses not only protects your eyes from harmful ultraviolet rays, but also gives you an instant trendy look. There are more than 20 brands of sunglasses on display at Abeam ( http://www.abeam . com) and Shades ( http://www . shades.com) on-line stores. You can find popular brands such as Calvin Klein, Ray Ban, DKNY, Porsche and Serengeti. They offer a wide range of collections for action sports, golf and casual wear. Click on the pair of shades which take your fancy for a larger view and details. If you are looking for some fancy eyewear or goggles, , the David and Young Web site ( http://www.davidandyoung . com) offers a choice of extraordinary styles. Other brands are available at l.a. Eyeworks ( http://www . laeyeworks.com/), MODO (http: // www.modo.com/splash.htm ), Cutler and Gross ( http://www . cutlerandgross.co.uk/) and Armani ( http://www . armanieyewear.com).