Core Run Merino Long Sleeve Base Shirt, Women

• Form-Fitting Design: Sits close to the body for easy layering under mid or outer layers
• Ergonomic Cutlines & Flexible Fit: Strategically placed seams and stretch fabric support unrestricted, chafe-free movement during runs and workouts
• Merino Wool Blend: Naturally regulates temperature, wicks away moisture, and provides reliable warmth in cold, harsh weather
• Mulesing-Free Merino: Ethically sourced for cruelty-free, sustainable warmth
• Raglan Sleeves: Provide increased mobility at the shoulder joints, ensuring a full range of motion and improved fit for better performance
• Thumb Holes: Secure sleeves during movement while adding extra warmth and protection for hands
• Soft Hems: Deliver a smooth, irritation-free feel for lasting, anti-chafe comfort through every movement

FIT: Slim – Form-fitting cut that contours to the body for a tailored, close fit

RAGLAN SLEEVE LENGTH: 28.9”–30.5” (varies by size)

LINE: CORE – Made for every runner and every run. CORE is for high-quality essentials designed to meet all conditions from daily training to long-distance challenges. These are the building blocks from which great runs are made.

COLLECTION: CORE RUN MERINO – Built to help you embrace cold-weather training without compromise, these pieces combine the natural benefits of Merino wool with advanced temperature-regulating and moisture-managing technology to keep you warm, dry, and comfortable.

MATERIAL: 80% Merino Wool, 20% Polyamide

CARE INSTRUCTIONS: Gentle machine wash cold (max 30°C / 86°F). Do not bleach. Do not tumble dry. Do not iron. Do not dry clean.