Sports Boys Youth Single One Leg Compression Tight Pants Leggings Base Layer 
Material: polyester
Feature:Unique activeware, breathable and sweat-wicking fabric, which quick dry and delivers a smooth, soft feel for maximum comfort
Perfect for soccer, basketball, baseball, hockey, football, running, gym and other activities in all seasons

Size Pant length
Waist For weight
XS (US 5-6)
28in 19.6in under 57lbs
S   (US 7) 30in 21in under 68lbs
M  (US 8) 31in 23in under 75lbs
L   (US 9-10) 33in 24in under 86lbs
XL (US 11-13) 34in 24.5in under 100lbs