CozmoSize Fitness is a Santa Clarita-based training service designed for individuals who want lasting physical transformation. Operating as the area's premiere semi-private training facility, CozmoSize provides functional strength and conditioning programming engineered to build lean muscle and maintain physical vitality.
Behind the programming is Matthew Cather, a high-quality wellness practitioner and strength coach with over 20 years of experience. CozmoSize serves the entire SCV community, providing a reliable pathway to fitness in a fun, community-driven environment designed for strength that lasts.
Member Booking Instruction: Whether you are a Basic or VIP Member, all appointments must be booked through the Medic Paradise Concierge to be validated for your Member Savings or Exclusive VIP Rates. Click below to email our team with your preferred date and time.
Book An Appointment With Concierge- Semi-Private Coaching: High-level, structured programming in a motivating group setting that helps you stay consistent and build confidence.
- Functional Strength & Conditioning: Results-driven workouts designed to build muscle, enhance movement quality, and elevate your daily energy.
- Personalized Attention: Expert coaching from Matthew and his team to ensure proper form, progressive mobility, and sustainable habits.
- A high-quality environment serving Newhall, Valencia, Canyon Country, and Saugus, dedicated to helping you achieve lasting physical performance.
Exclusive Member Rates
| Service | Basic Member | VIP Member |
|---|---|---|
| Group Training | ||
| Metabolic Conditioning (Friday only: 6am, 7am, 8am, 10am, 6pm) |
$40.00 | $25.00 |
| One-on-One | ||
| Private Training (By Appointment) |
$150.00 / session | $125.00 / session |
*VIP savings are automatically applied when booked through Concierge.
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*Member savings are exclusively applied when booking through your Medic Paradise VIP profile or Concierge.