- Designed to provide focused body alignment training
- Lightweight, 180g construction
- Simple and secure release button allows for quick and easy strap adjustment
- Sliding head piece for targeted positioning
- DURAFIT Silicone Padding: Durable and hypoallergenic silicone padding provides a comfortable, watertight seal and maintains its shape over time
- One-way purge valve allows for clear, easy breathing
- Removable, easy-to-clean, liquid silicone mouthpiece is durable, comfortable and maintains its original shape over time.
- 70% and 40% cardio restrictor caps increase lung capacity.