The Foundation of Comfort at 30,000 Feet The right pilot undershirt changes everything about a long-haul shift. JetSeam's bamboo-rich blend (67% bamboo viscose/28% cotton/5% spandex) delivers softness and stretch that moves as you move, whether you're settled in for cruise or navigating terminals between flights. Naturally antimicrobial properties keep you feeling fresh, while moisture-wicking performance handles whatever your shift throws at it. Available in regular crew neck fit. What Makes It Special Bamboo-Blend Luxury: 67% viscose from bamboo/28% cotton/5% spandex for exceptional softness Second-Skin Stretch: Designed to feel fitted while allowing complete freedom of movement Natural Antimicrobial: Bamboo's inherent properties maintain freshness through long shifts Moisture-Wicking Performance: Technical fabric benefits in sustainable natural fibers Temperature Regulation: Breathable construction adapts to changing environments Professional Length: Long enough to stay tucked throughout your workday Eco-Friendly Production: Bamboo cultivation requires no pesticides or fertilizers Pilot-Tested Design: Developed with input from working aviation professionals Wear it under your uniform or solo as a comfortable off-duty essential. Materials 67% viscose from bamboo, 28% cotton, 5% spandex Care Instructions Machine wash cold • Tumble dry low • Bamboo-blend fabric softens with each wash Available at Stanley Marketplace Stop by our Aurora location near the United Airlines pilot training facility for sizing assistance. The men's pilot undershirt that proves comfort and performance don't require synthetic fabrics.