Ready to start a workout routinebut dont know what to wear? Take Former Fat Girl Lisa Delaneys fitness fashion shopping list to the mall with you.

Spry editor Lisa Delaney is one of the rare souls who know what its like to be an after. This journalist and author of Secrets of a Former Fat Girl shed 70 poundsand six dress sizes--and has kept it off for 20 years. She answers your questions here each week.

DEAR FORMER FAT GIRL: Im embarrassed to admit this, but Im clueless when it comes to fitness fashion. I used to walk with a group of friends, but when I had kids, I just didnt have time any more to work out. Now, Im almost 40, close to 200 pounds, and determined to join the Y and get moving after the holidays are over. Any advice on what I need to get started, and where to find plus-size fitness fashions?--Tina

DEAR TINA: Stressing about what to wear (something I do when Im faced with ANY new social situation!) only adds to the anxiety of joining a gym and dealing with the whole sweating-in-public scene. Luckily, there are LOTS of people in your same situationwomen-of-a-certain weight who are beginning or are already committed to healthy living and exercise. That means fitness fashion designers are creating all kinds of solutions for plus-size women. So, heres a list of the basics youll need, plus some specific recommendations for styles, manufacturers and pieces to add to your wardrobe.

Bras and shoes. These are THE most important purchases youll make if you plan on doing any type of cardio activity that involves impact. Walking, running, even elliptical training, Zumba, boot campeverything except maybe swimming (which has its own issues), cycling and rowinginvolve lots of bouncing, which can lead to real discomfort if youre big up top. Check out my recommendations for fitness bras for well-endowed women. Shoes are so key, too, to keeping you comfortable and injury-free. The more pounding an activity involves, the more important it is for you to do some smart shoe shopping. This article from WebMD gives you all the info you need.

Basic black pants. Slimming and versatile enough to accommodate anything from treadmill walking to Zumba to yoga. A slightly thicker, moisture-wicking fabric will help smooth you out. A lower rise (just under your navel) and a boot-cut silhouette will be flattering and allow you to move with ease. Choose a tighter Capri style if you plan on getting into Spinning or stationary cycling to avoid snagging your pants on the equipment. These Nike pants(yes, even fitness fashion icon Nike makes styles in plus-sizes!) feature Dri-fit to keep you cool, and a wide waistband for comfort and support. More affordable and just as flattering are the Champion C9 Semi Fit Pant.

RELATED: The Best New Walking Shoes

Technical tees. Forget those old cotton t-shirts: Tops made of so-called technical fabricsblends such as Dri-Fit or Champions Duo-Dryreally do help you keep cooler and more comfortable during a workout. The Champion C9 line has long- and short-sleeved versionsin sizes up to XXL at a great price.

A light jacket. Something to throw on when youre going to and from the gym or on an early morning walk. Again, choose a technical fabric to help disperse and evaporate moisture. A style that hits just below your bottom and is slightly fitted will help define and lengthen your waistline. Moving Comfort has great, durable, fashionable choices, like this Commitment Shell Jacket, in sizes up to 2x. Itlike many of the latest fitness fashionsfeatures slimming details like offset seams that create the illusion of a slimmer shape.

Socks. Cotton socks are a big no-nothey trap moisture and lead to blisters and athletes foot. Invest in pairs made of synthetic moisture-wicking blends orbelieve it or notwool socks specifically designed for fitness pursuits. The merino wool used by companies like Icebreaker is super-light and breathable. Look for styles specific to your activityfor instance, walkers and runners might want and need more padding than, say, a cyclist. If you havent committed to a particular pursuit, look for socks labeled training or multisport, like Icebreakers Multisport Ultralite Mini.

Undies. Its no use investing in pants made of technical fabrics if youre wearing cotton or nylon panties underneath. Invest in three to five pairs of panties like the Barely There Breathe Bikini.

Lisa Delaney is editor of Spry magazine and Ask her your question here.
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