Kids Microfiber Tights - 30 Colors! - We Love Colors - Ages 6 months - 14 Years 100% Nylon 80% Nylon, 20% Lycra - Microfiber 6-12 months (16-20 lbs) | ages 1-3 (20-30 lbs) | ages 4-6 (30-44 lbs) | ages 7-10 (45-66 lbs) | ages 11-14 (67-95 lbs) Height Size: 1-3&gt; 28"-33" | 4-6&gt; 30"-40" | 7-10&gt; 41"-51" | 11-14&gt; 52"-64" 50 Denier, medium thickness, solid opaque color Incredibly soft, stretchy and durable.