product description:
Push Past Your Physical Limits With SPARTHOS Have you ever noticed how calm and relaxed the best endurance athletes look when they re pacing themselves through a race? The ease with which they run 5:00 min/mile or cycle above 30 mph?
Obviously they put in a ton of training time, which you probably can t replicate, but they also use the latest sports technology to amp up their stamina... so why aren t you?
Altitude training masks aren t anything new. All types of athletes, professional and recreational, have been using them to take their training up a notch. From gym enthusiasts to runners, cyclists, and martial artists.
Choose according your weight:
Small (up to 155lb)
Medium (155lb - 220lb)
Large (more than 220lb),
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![Sparthos Training Mask High Altitude Mask – for Gym Workouts, Running, Cycling, Cardio, Elevation - Fitness Training Mask - Hypoxic Resistance Mask 2 3 – Lung Exercise [M] [+Case]](https://m.media-amazon.com/images/I/41xrgJRetmL.jpg "Sparthos Training Mask High Altitude Mask – for Gym Workouts, Running, Cycling, Cardio, Elevation - Fitness Training Mask - Hypoxic Resistance Mask 2 3 – Lung Exercise [M] [+Case]")
