Sports Thermal Hood Cold Weather Cap. Comfort Fit Under Helmets (Football, Lacrosse, Hockey, Skiing, Snowboarding, Softball, Baseball). McDavid Sports Thermal Hood Cold Weather Cap. Comfort Fit with or without Helmets : Football, Lacrosse, Hockey, Skiing, Snowboarding, Softball, Baseball, Soccer 92% Nylon, 8 % Spandex gives a comfort fit and one size fits most Juniors and Adults. Allows heat to stay in while keeping cold out. Thermal Hood used by Players in all levels : Pro, College, High School and Below