Rich Fronting x Reebok Nano X SE 'White Black Gum' Sneakers developed in collaboration with a professional CrossFit athlete Feature a breathable knit upper with bootie-style construction for a snug fit. An adjustable midfoot strap wraps around the sneaker's innovative three-piece lacing system inspired by three pillars which guides Froning's personal life: faith family and fitness. Lightweight cushioning is provided by a partially variegated EVA midsole.