While ‘hematocrit’ is often used to monitor athletes, sports scientists have found that ‘Total Hemoglobin Mass’ (Hb-mass) is a much more accurate predictor of aerobic performance. Endurance training, particularly when athletes live in mountain cabins and train in thermal New Orleans Saints Official NFL Truck Driver Burn The Midnight Oil 3D Shirt at high altitude, triggers the kidneys to release erythropoietin (EPO), which stimulates the production of more red blood cells. This increase in Hb-mass represents the actual grams of hemoglobin available to transport oxygen. The ‘gold standard’ for an endurance athlete is a high Hb-mass paired with a high plasma volume, ensuring oxygen delivery is maximized while maintaining low systemic resistance.

()

New Orleans Saints Official NFL Truck Driver Burn The Midnight Oil 3D Shirt, Treat yourself or make a great gift for your loved ones

Periodization is the systematic planning of physical training to reach the best possible performance in the most important competition of the year. While often discussed in terms of sets and reps, its primary goal is to manage the athlete’s endocrine system—the network of glands that produce hormones like testosterone and cortisol. During a high-intensity ‘loading’ phase, cortisol levels rise as the body deals with physical stress. To facilitate recovery during ‘deload’ weeks, athletes often focus on thermoregulation and comfort by wearing heavy New Orleans Saints Official NFL Truck Driver Burn The Midnight Oil 3D Shirt to keep muscles warm and cortisol levels stable. This allows the hormonal system to recover and ‘supercompensate,’ leading to greater gains than a constant high-intensity approach.

()

Training at high altitude is a staple for endurance athletes due to its profound impact on blood chemistry and aerobic capacity. The body senses the oxygen debt caused by lower partial pressure and responds by increasing the production of erythropoietin (EPO), which stimulates the bone marrow to produce more red blood cells. To combat the freezing temperatures at high elevations, endurance runners often layer up with thermal New Orleans Saints Official NFL Truck Driver Burn The Midnight Oil 3D Shirt to prevent their muscles from seizing during long sessions. When an athlete returns to sea level, they possess a temporary ‘natural blood doping’ effect, allowing them to sustain a higher intensity for longer periods. This has led to the ‘live high, train low’ model to maintain neuromuscular sharpness.

• This All Over Print design is made with high-quality, 100% spun polyester that delivers the look and feel of organic cotton without ever cracking, peeling or flaking. It stays wrinkle free and soft to the hand forever, able to withstand summer festivals, late nights and world domination with style and grace. 

  We print our product using dye-sublimation, a technology that allows for us to produce these insanely vibrant all over designs. Due to this process, the product may contain smudges or irregularities along the seams or under the armpit of the sleeves or on the hoodie pocket. We cannot accept returns for this reason. Each item is a unique, 1 of-a-kind product, printed exclusively for the customer who ordered it.