1. Outdoor Research Avid Jacket Underarm mesh vents provide this trim windshell with a touch of air conditioning—and eliminate the swish-swish of most nylon jackets. $89; www.orgear.com

2. SportHill Essential Shimmel The racer-back bra provides plenty of support, and a half-zipper allows ventilation without undue exposure. $45; www.sporthill.com

3. Moving Comfort Fusion Bra With built-in cups and wide straps, the Fusion is supportive enough for C-cup women. And there's no rear clasp, so you can wear it out without feeling like an escaped Victoria's Secret model. $35; www.movingcomfort.com

4. New Balance Saba Short The synthetic shell is supple, the seamless liner eliminates chafing, and the waistband is smooth and flat. Bonus: An iPod Shuffle fits like a key in the liner pocket. $36; www.newbalance.com

5. Pearl Izumi Chase Splice Knicker A slight flare at the bottom and a stretchy nylon-Lycra blend keep you warm and dry without sagging or wedgies. $55; www.pearlizumi.com

6. Nike Revive These lightweight and sleek shades protect your peepers with two polycarbonate-lens options. $129; www.niketown.com

7. Helly Hansen Versa Trailwizard Jersey This shirt's dual-fabric weave makes it tough on the outside, soft on the inside. $50; www.hellyhansen.com