Vivobarefoot Primus Flow trainers pair a minimalist, barefoot-inspired design with an ultra-thin flexible sole to maximise ground feel. Built for training and everyday movement, they emphasise natural foot motion without sacrificing style. Key attributes: Black | Black Red | Synthetic mesh | Ultra-thin, flexible rubber sole for maximum ground feel | Breathable upper | Strategic tread for reliable grip and traction | Minimalist lacing for a snug, secure fit | Soft collar for ankle comfort | Lightweight construction for unrestricted movement | Low-profile silhouette | Wavy multicolor pattern across the vamp | Hexagonal Vivobarefoot logo on the side | Minimalist lacing system | Dimensions & fit: Low-profile, close-fitting silhouette | May fit slightly narrow compared with other Vivobarefoot models