Madshus F21 Redline Skiathlon

The Madshus Redline Skiathlon F21 is a premium World Cup-level pursuit boot engineered for elite racers competing in skiathlon (combined classic + skate) events, marathons, and mixed-technique races – delivering exceptional power, stability, and versatility without compromise.

Built on the same 3D-shaped last as the Redline Skate boot for a precise, low-volume fit. The innovative Integrated Carbon Base provides rigid support for powerful skate pushes while allowing flexible sole bending for efficient classic kick and diagonal stride. The anatomic Power Cuff enhances stability during skating and descending, reducing fatigue over long distances. Waterproof/breathable softshell lace cover and lacing fingers ensure a secure, balanced wrap with excellent heel hold.

Compatible with NNN, Turnamic, and Prolink bindings.

• Model: Redline Skiathlon F21
• Construction: Integrated Carbon Base + Power Cuff
• Upper: Madshus Pro Ripstop with softshell cover
• Features: PVC-free, memory heel counter, improved arch/forefoot fit
• Weight: Ultra-light race design

The ultimate dual-technique race boot – stable for skating, flexible for classic, and built to endure marathon efforts.