The ULTRA Tempo 2.0 is designed for the athlete in need of performance stability. CarbonSpan provides a smooth transition through the gait cycle and a powerful toe off. BareFit constructed for sockless wear, the linings are a Dri Lex fabric with anti microbial Smart Silver to battle moisture, odor and to reduce hot spots. Patented Quick Lace system for speed of entry with a single handed pull. Asymmetrical perforated neoprene panel ensures excellent fit and quick entry while maintaining breathability.