The Nike Sock Dart SE Men's Shoe takes a minimalist approach to an ultra-comfortable style. Its engineered knit upper stretches to deliver a sock-like fit, while its adjustable midfoot strap provides a locked-down feel. Textile upper is flexible and breathable. Adjustable midfoot strap for a personalized fit. Phylon midsole for lightweight cushioning. Rubber outsole for traction and durability. Outsole flex grooves for natural movement.