The Icebreaker Men's Sphere II SS Tee is a merino wool blend shirt for warm weather excursions. Push yourself in the outdoors and the Cool-Lite fabric will wick moisture, dry fast, and maintain your upper body comfort. Hike or bike your way around, the drop tail hem adds coverage at the back and offset shoulder seams prevent friction. FEATURES OF THE ICEBREAKER MEN'S SPHERE II SHORT SLEEVE TEE Cool-lite - lightweight and breathable fabric blend Designed to wick moisture away from the body Side splits at hem for added ventilation and mobility Offset shoulder seams to prevent friction Drop tail hem for added coverage Fabric Details: 60% Lyocell, 40% Merino wool ICEBREAKER MEN'S SHIRTS + TOPS SIZE Small Medium Large X-Large XXL XXXL Neck 13 - 14" 14 - 15" 15 - 16" 16 - 17" 17 - 18" 18 - 19" Chest 33 - 36" 36 - 39" 39 - 42" 42 - 45" 45 - 48" 48 - 52" Arm Length 34" 34 - 34.5" 34.5" 35" 35.5" 36"