The Reebok CrossFit Nano 3.0 training shoe balances cushioning and low-to-the-ground feel so you can stay quick, safe and comfortable through even the toughest workouts. Single layer mesh upper adds increased breathability and flexibility for your foot. C.P.U. upper construction provides lightweight support and foot stabilization to keep you injury-free. ETC Anti-friction lining reduces moisture and heat build up to increase your workout comfort. Dual-density midsole offers a highly responsive feel in the heel with cushioning and flexibility in the forefoot. SplayZone midfoot/outsole engineering delivers full foot dispersion with stability and natural feel. CRMMantle sheath optimizes strength, durability, and flexibility plus added rope climbing protection. Ortholite® sockliner brings interior cushioning with anti-microbial treatment for odor control. CRTEK carbon rubber outsole gives durability and traction. METASPLIT for optimized flexibility and traction. Wt. 8.3 oz.