Our highly breathable, comfortable, do-it-all merino wool T-shirt, the Tech Lite Short Sleeve Low Crewe is a go-to top for four seasons worth of trails, travels, and active pursuits. With capabilities as varied as the adventures you’ll take it on, the Tech Lite features a soft, open neck as well as our jersey corespun fabric—nylon fibers wrapped in merino wool to provide added strength and durability while maintaining next-to-skin softness. Fabric weight: 150 Ultralight Fabric: 87% Merino Wool, 13% Nylon Product Weight: Medium = 165 g / 5.82 oz Fit: Regular Layer: First Layers Best for: Adventure, Hike Benefits: Comfort, style, breathability, durability, odor resistance Features: Corespun fabric for enhanced durability, soft open neck, offset shoulder seams prevent pack rub, center back length: 67.7cm/26¾\", size M, Icebreaker pip label Care: Machine wash warm. Wash inside out with like colors. Do not use softeners. Fasten all closures to wash and dry. Do not bleach. Do not tumble dry. Line dry in shade. Warm iron. Do not iron print, trims and accessories. Do not dry clean.