The F90 Select is the first fully adjustable model. Constructed with ForceBloc Foam, outer 4-way stretch material, and the Inner Tru-Play SoftWeave which whisks away sweat and maximizes comfort. The DuroStrength fastener, with overlapping side ribs, helps with comfortable conformation to the head. Complies with FIFA, US Soccer and NFHS. Dual density ForceBloc Foam. Tru-Fit System for full adjustability. TruPlay Technology. Inner SoftWeave to draw moisture away from skin.