SELF Magazine's 18th Annual Workout in the Park hits SF for the first time, this Saturday, from 11am to 3pm, at the Little Marina Green. This year, SELF is teaming up with celeb host Alison Sweeney (Days of our Lives, The Biggest Loser, The Mommy Diet), and Crunch Fitness for the ultimate women's, total-body, outdoor fitness experience. Tickets are $20, include a one-year subscritption to SELF, and all proceeds benefit Cancer and Careers and Susan G. Komen for the Cure.

The roster features 17 invigorating classes from Crunch, including LaBast (Think Dancing with the Stars meets cardio.), Glee (Learn songs and dances from the show.), and Kama Strength (Major muscle strengthening to boost your libido. Yow!). The jam-packed day will also include beauty and fashion consulations, everything you wanted to know about nutrition, and tons of giveaways. 

One way to start feeling great is to look great. We pulled eight pieces from forward-thinking athletic-wear designers, to create the ultimate look for this wekeend's SELF Workout in the Park. Our picks features a convertible capelet, pants that stay put, and a glass water bottle to ensure safe drinking. 

1. Adidas Y-3 Ripstop Capelet in Red, $340

2. Lucy Braided Headband in Black, $8.99

3. Adidas Y-3 Run Speed Lace Sneaker, $260

4. Adidas SLVR Beach Washed Terry Tank, $55

5. Lifefactory 22 Oz. Glass Water Bottle in Red, $22

6. Lucy Hatha Capri Legging in Black, $68

7. Puma Fitness Lux Shoulder Bag in Opal Gray, $40

8. lululemon Pranayama Bra, $42

Lily Ko (lily.7x7 @ gmail.com) studied fashion design and merchandising at Central Saint Martins and the Academy of Art University. In addition to writing for 7x7, Lily is an editor at SF Station, works as a freelance stylist and covers food, fashion and fun on her blog, Curated SF.