Kim Allen Silk Crew Neck Long sleeve. This top can be worn under any garment, the comfort of the 100% knit silk makes you feel naked. Perfect for cool weather. The extra layer of silk keeps you warm without feeling bulky. The choice of active athletes. Wear it under your ski wear, running gear or your motorcycle leathers. Children & Teens can wear this too. Comes in black, cream or nude. KAS Silk Thermal Top - Unisex