The Fischer RC4 110 MV S GW is a high-performance alpine ski boot designed for advanced skiers who demand both precision and adaptability. With a flex rating of 110, a medium-volume (MV) last, and GripWalk (GW) compatible soles, this boot balances responsiveness with walking comfort. The "S" variant may indicate a slimmer or sport-oriented internal configuration (depending on region), while retaining core RC4 technologies.

Key Features & Specifications

• Flex / Stiffness: 110 a firm yet not overly aggressive flex ideal for advanced skiers wanting good power transfer. 
• Last / Volume: Medium volume (~100 mm forefoot for size 26.5) — designed for average foot width. 
• Shell Technology: VACUUM thermomoldable shell that can be customized to the rider’s foot shape for improved fit and performance. 
• Sole: GripWalk sole — enhances grip and walking comfort off skis. 
• Buckles / Closure: Micro-adjustable buckles.
• Liner: RC4 MV COMFORT liner — optimized cushioning and support in key zones. 
• Weight: Around 1,900 g per boot (for size ~26.5) depending on variant.
  
  

Other Technologies

• RD20 Race Canting: allows fine adjustment of cuff alignment for better power delivery.
• Soma-Tec®: helps maintain a natural stance and reduce strain on joints.
• Grindable bootboard: allows bootfitters to adjust internal sole height or alignment.

Benefits & Performance

• Precision and power: The stiffer shell and RC4 design ensure efficient energy transfer from the skier to the ski, giving sharp responsiveness.
• Customized fit: VACUUM shell and micro buckles allow for tailored shaping, reducing pressure points and improving comfort over full ski days.
• Walking comfort: The GripWalk sole gives enhanced traction and ease of walking when off the skis.
• Balanced volume: The MV (medium volume) last is a compromise between narrow and wide fits, making the boot suitable for many skiers with average foot shape.
• Fine tuning: Canting adjustment and grinds enhance fit and alignment, letting an experienced bootfitter dial in optimal ski control.