Stay Warm Sleep Long Sleeve Men Color:Winter Black They can be worn long

They can be worn long (over your knees) to protect you when you're scrambling up a mountain

Fancy people may dry clean

100% ECONYL® Regenerated Nylon: Light

• Perforated details for enhanced ventilation

Stay Warm Sleep Long Sleeve Men Color:Winter Black They can be worn longUltra light, breathable merino wool pajamas top keeps you comfortably warm without ever overheating. 4x more breathable than cotton and with exceptional moisture management you can sleep deeper and longer with merino sleepwear. Experience the luxurious sleep comfort of nature's finest performance fibrers. Featherlight breathable warmth 4x more breathable than cotton this merino pajamas offers the same warmth as other fabrics up to 50% heavier.