Adjustable Resistance Levels
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—Level 4
RESFIT Protection
RESFIT™ Mouth Guard Pro Series - 2 Pack
Strengthen your breathing muscles, improve lung capacity, and boost endurance in just 5 minutes a day.
4.8 / 5
Based on 2,400+ verified athlete reviews
Used by 80K+ athletes worldwide
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Men's HealthRunner's WorldGQForbes
Custom Fit: Heat-moldable gel liner
3-Layer: Impact shell + gel + soft inner
2-Pack: Two guards per box
Multi-Sport: Boxing, MMA, football, hockey
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