7 Things Kristin Cavallari Always Keeps in Her Gym Bag

Photo: Getty Images

The reality star turned designer turned mom of three shares her strength-training workouts in her new lifestyle book, Balancing in Heels (Rodale). "I prefer weights to cardio, since I'm trying to put on muscle," she says. Find out what else—besides her breast pump—Kristin keeps in her Adidas by Stella McCartney Big SportsBag

1. Leggings
"I live in these leggings. They make everything look tight." Lululemon Wunder Under Pant III

Photo: Lululemon.com

2. Hair Ties
"They don't break your hair, and they come in neutral colors." Emi Jay Hair Ties

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3. Protein Bar
"They're great for protein after a workout, and they're grass-fed, which I love."

4. Brazil Butt Lift DVD
"The name is hilarious, but it's a really great workout!" Brazil Butt Lift DVD

5. Water Bottle
"It's stainless steel, so it's environmentally friendly." Klean Kanteen 40-Ounce water bottle

Photo: Getty Images

6. Toner
"I love spraying it on my face after a workout. It just wakes you up, and it smells amazing." CocoKing Organic Rosewater Facial Toner

7. Protein Shake
"I've played around with a lot of different proteins, and I just like the way Vega tastes. There's a lot of greens in it, too." Vega One Nutritional Shake in Chocolate