Day to night: Adidas by Stella McCartney Run Glow shorts and jacket, and Marialith glow runners

These new high-performance pieces for fall marry serious fitness function with fashionable form. This gorgeous gear is great for getting your workout on—then getting around the city.

Glow in the Dark
It’s no metaphor. This jacket and running shorts (pictured over tights, above) are made from ClimaProof Wind, which fends off the elements, and a glow-in-the-dark leopard print to protect you from wayward taxi cabs when running after dusk. Adidas by Stella McCartney Run Glow shorts ($75) and jacket ($175), and Marialith glow runners ($14), at www.shopadidas.com

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Hyde Yoga is known for its drawstring pants. But these Kelly Morris pants are a departure—with a sort-of skirt

Practice Makes Perfect: Hyde Yoga Kelly Morris pants
As part of her “by yogis for yogis” philosophy, AK Kennedy, the founder of Hyde Yoga, designed these organic cotton pants (with 8 percent spandex) in collaboration with New York City yoga teacher, Kelly Morris. The fold-over waist covers your backside almost like a tiny skirt, and proceeds from the pants go to Bent on Learning. Hyde Yoga Kelly Morris pants ($68), at Kula Yoga Project, Amazon.com, or order through yogahyde.com

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Zohba Asymmetrical Zip Pullover with Hot Shorts

Hidden Tiger, Crouching Champion: Zohba Asymmetrical Zip Pullover with Hot Shorts
Capitalize on two trends this fall: asymmetry with a zipper pullover that hits the hip and a jolt of purple. The hot shorts, with flattering hip seams, offer a tad more structure and length (at 3 3/4 inches) than your typical Bikram or running shorts, and the performance material keeps you cool. (Dude not included.) Zohba Asymmetrical Zip Pullover ($90) and Hot Shorts ($52), at www.zobha.com

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New Balance debuts its first yoga collection with printed performance tanks like the Suzani Racerback

Back It Up: Anue Suzani Racerback tank
New Balance’s brand-new yoga collection marries organic cotton tops, tunics, and wraps and with performance pieces like the Suzani tank (with a shelf bra). It’s made from a 90% post-consumer recycled polyester called Nirvana. Also blissful: the top’s curving hemline dips an inch lower in the front for belly coverage. (PS: The Spree capris, not pictured, are flattering as hell.) Anue Suzani Racerback tank ($55), at www.shopnewbalance.com

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Athleta Reflective WorkitOUT Tights and Tribal Floral Crew Neck

Reflectology: Athleta Reflective WorkitOUT Tights and Tribal Floral Crew Neck
The decorative elements that distinguish these running tights also reflect light. And the ones that adorn this base-layer wicking top are original tattoo designs. Athleta Reflective WorkitOUT Tights in Velocitek (Polyester/Spandex); Gusset Lining: CoolMax Polyester ($69) and Tribal Floral Crew Neck ($98), at athleta.gap.com

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Yogi About Town: Lululemon Athletica Journey Jacket
This short, slim-fitting jacket in stretchy cotton terry is an ideal fall piece to take you from yoga to brunch with friends. With loads of cargo pockets to stuff your smart phone and keys into, it also has Lululemon’s signature thumb holes. Lululemon Journey Jacket in proprietary blend of breathable cotton french terry with stretch ($88), at lululemon.com.