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GET FIT AFTER 40 with Lex
It's NOT too late to get Fit for upcoming holidays, reunions, special events and for your lasting health!
Jumpstart Your Fitness in Just 3 Days — Absolutely Free
Your goals matter, and you deserve a plan designed for your body, your lifestyle, and your stage of life.
Get a personalized coaching experience from Coach Lex—FREE for three days. Meal guidance, workout support, and motivation tailored for adults 40+ who want to feel stronger, healthier, and more confident.
Start your 3-Day Trial and see what’s possible.
Your WINTER Fitness Journey Starts Now!
Join Our Personal Training Spring Special Today!
Prepare to shine this winter season and beyond with our specially designed Fall Fit After 40 Program. Embrace a healthier lifestyle that perfectly blends with festive celebrations.
Nourish Your Body
Discover delicious, healthy recipes that complement your holiday feasts without sacrificing flavor or tradition.
Energize with Movement
Engage in effective, time-efficient workouts tailored for busy schedules, keeping you active and vibrant.
Celebrate & Connect
Learn strategies to enjoy social gatherings and family time while maintaining your wellness goals.
MEET
YOUR TRAINER


ALEX "LEX" KNOWLES
BODY TRAINER



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ABOUT AIR³
✨ Full Gym Experience @home
Virtual, in-person and train on your own options available.
💪🏼 Fully trained & certified
Alex Knowles is your lead Certified Personal Trainer, AIR³ Co-Founder and developer of the AIR³ system of Activate-Inspire-Restore.
⚡ 10+ Years of Experience
The AIR³ system was developed from the founder's own health journey and dream to help as many people become the best version of themselves, even after 40!
Learn More About
OUR SERVICES
AIR³
Activate. Inspire. Restore.
At AIR³, we help adults 40+ rebuild strength, energy, and confidence — without extremes, burnout, or all-or-nothing thinking. This isn't about quick fixes.
It's about activating your body, inspiring belief in what's possible again, and restoring the strength, mobility, and resilience you deserve.
As Coach Lex, I specialize in sustainable fitness and nutrition for real life — busy schedules, changing hormones, joint aches, stress, and everything that comes with being 40 and beyond.
What We Do
⚡ Activate
We get you moving again with smart, joint-friendly strength training, mobility work, and structured programs designed for your season of life. No punishing workouts. Just effective, efficient training that builds muscle and protects your body.
💡 Inspire
We rebuild confidence. Through consistency coaching, mindset shifts, accountability, and simple systems that actually work, you'll learn how to stay on track — even when life gets busy.
🔄 Restore
We focus on recovery, nutrition, stress management, and hormone-aware programming (including perimenopause and menopause support). This is about restoring energy, balance, and long-term health.
Our Services Include:
Personalized strength and mobility programs
Meal plans and grocery guides
Habit coaching and consistency systems
Menopause-supportive training & nutrition
Fat loss and muscle-building plans
7-day and 30-day challenges
Lifestyle reset programs
Ongoing coaching and accountability
AIR³ is for adults who are ready to stop starting over. We don't chase perfection. We build momentum. We create consistency. We train smarter — not longer.
If you're ready to feel strong again, move without pain, and build a body that supports your life — not controls it — you're in the right place.
TRUST THE PROCESS. EMBRACE THE JOURNEY.
Let's ACTIVATE. Let's INSPIRE. Let's RESTORE.
You've got this.
Our Success
GALLERY
Your First Step
CONTACT US
655 H Fairview Road #238
Simpsonville, SC 29605
914-843-6345
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