Lacrosse Men's Alpha Lite Pull-On 16" 5.0MM-M 100% textile and synthetic Imported Rubber sole Shaft measures approximately 14" from arch LaCrosse innovated Alpha technology combines high quality rubber with naturally insulating neoprene resulting in a 100% waterproof, extremely durable, lightweight and comfortable boot 5mm neoprene provides comfort in warm to cooler climates LaCrosse Ankle-Fit design features a narrowed ankle pocket that grips the top of the foot better and locks the heel in place, preventing excess rubbing and chafing Alpha Lite outsole for excellent traction in mud 16" height