El tubo de entrenamiento Focus permite al nadador centrarse en la técnica de brazada sin tener que girar la cabeza hacia un lado para respirar.
Equipment - Training Aids - Snorkel - Teamline
Michael Phelps MP FOCUS Snorkel Review
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MP Michael Phelps Focus Swim Snorkel, Black Neon : Sports & Outdoors
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Michael phelps Focus Frontal Snorkel Red
MP Michael Phelps Focus Swim Snorkel, Black Neon : Sports & Outdoors
Stabiler Schnorchel von Michael Phelps
Aqua Sphere MP Michael Phelps Focus Adult Swim Snorkel for Lap Swimming - Navy + White, Regular Fit - Increase Cardiovascular Strength & Lung Capacity, Large, AQA-191649059945 : : Sports, Fitness & Outdoors
Best swimming snorkels for focusing on your form - 220 Triathlon