Aion
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| Men's Workout Vest | CHEST (IN) | STOMACH (IN) |
| S | 32"-37" | 28"-33" |
| M | 37"-41" | 33"-37" |
| L | 41"-44" | 37"-40" |
| XL | 44"-48" | 41"-44" |
| XXL | 48"-52" | 44"-46" |
| XXXL | 52"-56" | 46"-48" |
| Women's CROP Workout & Split Vest | CHEST (IN) |
| XS | 28"-32" |
| S | 32"-36" |
| M | 36"-40" |
| L | 40"-44" |
| Women's Workout & Split Vest | CHEST (IN) | STOMACH (IN) |
| XS | 28"-32" | 23"-25" |
| S | 32"-36" | 25"-27" |
| M | 36"-40" | 27"-29" |
| L | 40"-44" | 29"-31" |
Thanks for choosing our Men's Workout Vest! To ensure the perfect fit, please check the sizing charts above or go to our sizing guide page. If you have already done so, please proceed by clicking "Continue." We want your workout experience to be just right—your satisfaction is our priority!
Engineered to give you more from your current exercise regime, the Men’s Workout Vest comfortably intensifies strength and endurance through Dynamic Resistance™: Aion’s precise combo of Compression, Fractional Weight, and Neoprene Insulation that increases heart rate and full-body muscle strain with more caloric burn.
Available in sizes carrying 7 to 12.52 lbs (Approx. S=7, M=8, L=9, XL=10.2, XXL= 11.4, and XXXL=12.52), it promises a snug fit that keeps your Vest in place while maintaining your full range of motion during vigorous exercise — elevating your workout without adding extra time, reps, or sets.
Crafted from durable Neoprene/Nylon Airprene and Antimicrobial materials, the Vest features strategic compression and heat capture in key areas of the body to promote active recovery, maintain stamina, and achieve maximum results.
For best use when running or hiking, we advise wearing a shirt under the vest to collect perspiration and provide the best comfort.
Sizing Guide
Men’s Workout Vests
Become one with the vest: the vest is intended to move with you. It should hug your body tightly and extend above your hips. Ensure a secure fit by following these guidelines and matching your measurements with the corresponding size for the best fit on our size chart. If you're between sizes, opt for the smaller size for a high-compression fit. Vests are available in sizes S, M, L, XL, XXL, and XXXL.
How to Measure- Chest: Measure around the fullest part of your chest, just under the armpit, keeping the tape horizontal.
- Stomach: Measure 2 inches above the navel around the stomach, ensuring the tape stays horizontal.
| Men's Workout Vest | CHEST (IN) | STOMACH (IN) |
| S | 32"-37" | 28"-33" |
| M | 37"-41" | 33"-37" |
| L | 41"-44" | 37"-40" |
| XL | 44"-48" | 41"-44" |
| XXL | 48"-52" | 44"-46" |
| XXXL | 52"-56" | 46"-48" |
Sizing Preference
To ensure a secure and proper fit, visit our sizing guide page.
Maximize every minute of training.
Up to 40% more calories burned when performing high intensity workouts.
Recover while you train – Increase blood flow and heat to support muscle recovery.
Up to 25% more output from the same workout.
HSA/FSA eligible: Save up to 30%
What clients say about us?
Specs & Technology
Designed to integrate with your body’s shape and adjust to the demands of your workout.
Weight placement
Evenly balanced to move with your body during exercise.
Fractional Loading™
3-5% of body weight (weight distributed evenly across torso based on the size of the vest).
Durability
Tested by high-level athletes for materials/composition durability.
Cut of Fabrics
Cut and sewn to fit the build and contours of male bodies without feeling bulky.
Compression
Neoprene conforms to your body, both stretching and retaining its shape.
Heat
Heat capture from neoprene insulation in strategic areas of the body.
Builds total body strength, with an emphasis on your core strength.
- Build lean muscle mass;
- Improve athletic performance;
- Prevent muscle loss;
- Promote functional fitness;
- Increase strength and resilience of tendons, joints, and connective tissues;
- Vary planes of strain for comprehensive strength development.
Form Correction
- Improves posture through sensory cues;
- Enhances mental awareness and center of balance;
- Increases mind-body connection, creating the perception that the weight is part of you, promoting extra effort without feeling the additional stress.
HSA/FSA eligible: Save up to 30%
Increases Caloric Burn
Adding extra resistance and compression to your body during exercise elevates the intensity of your workout. This heightened intensity demands more energy expenditure, resulting in a greater caloric burn.
Cardiovascular Endurance
Increases heart rate to mimic benefits of cardiovascular stress from traditional aerobic exercise.
Sport & Speed Training
- Supports entire range of movement: torque, power, speed, and velocity;
- Develop more explosiveness and strength;
- Develop fast-twitch muscle fibers for athletic performance.
Designed to integrate with your body’s shape and adjust to the demands of your workout.
Weights
- Encapsulated in foam blocks to eliminate movement during exercise
- 1/2" Diameter 303 stainless steel discs
- Fabric around weight packs is Biosmart 4.1 oz Antimicrobial Fabric
Stitching
Perma Core Sewing Thread
CushionRite® Flotation Antimicrobial Foam (Extra Firm).
Elevating your workout without adding extra time, reps, or sets.
Active Recovery
Facilitates improved circulation and heat for recovery and acts as an anxiety blanket for relaxation after training.
Muscular Endurance
Muscles adapt to this increased resistance/workload to improve endurance.
Nonstop resistance to make you unstoppable.
Men's Workout Vest
Compression fit
Tight fit stays in place and challenges you through every move by engaging muscles and improving posture.
Dynamic Resistance™
Using Fractional Loading™, we create resistance equivalent to 3-5% of your body weight balanced across your frame.
Durable
Premium materials and craftsmanship that is built to last.
Antimicrobial
Naturally rejects bacteria build-up that causes odors.
Athlete Tested and Approved
FAQs about Aion
Learn more about our products, our technology and our team.
What materials are used in the Workout Vest?
The Workout Vest is made from high-grade neoprene fabric and stainless steel weights. Neoprene is extremely durable and helps create the compression fit of the vest, while the steel weights are designed to be perfectly centered on your chest and back to improve posture and provide a balance load so you can perform at your best.
What are the benefits of resistance vests or clothing?
What are the benefits of resistance vests or clothing?
Studies have shown that resistance clothing has numerous health benefits.
That includes:
- Enhanced physical well-being
- Optimized athletic performance
- Improved muscle development
- Higher caloric expenditure
- Increased bone density
- Improvements in posture, stability and mind-body connection
By combining the proven science behind resistance clothing with a compression fit and our proprietary Dynamic Resistance™ technology, we’ve created vests that are above and beyond anything that’s been offered before
How heavy are the resistance vests?
The Men's Workout Vest weighs between 7 and 12.52 lbs depending on size.
How do I care for my Aion vest?
Aion vests are best stored by laying them on a flat surface. This ensures an optimal fit and maintains both the built-in resistance and compression fabrics.
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