Atomic Redster TR F4 2027

The Atomic Redster TR F4 is designed for racers and aggressive skiers who need serious performance without stepping all the way up to a 150-flex boot. With a strong 130 flex and a slightly more forgiving feel, it’s a great option for bigger athletes or those looking for power and control with a bit more usability.

Built with World Cup DNA, this boot features a precise, low-volume fit and a high-performance liner that locks in the heel and keeps you connected to the ski. The shell material stays consistent across a range of temperatures, so the flex and feel remain predictable. Adjustable features like the tongue positioning help fine-tune the fit, while a solid sole and rigid underfoot platform ensure direct energy transfer when it matters most.

Why We Like It

• Strong, responsive feel without the harshness of a 150 flex
• Excellent heel hold and precise fit
• Reliable performance in all conditions

Who It’s For

• Advanced to expert skiers and racers
• Bigger or stronger athletes who don’t want a 150-flex boot
• Skiers looking for race-level control with slightly more comfort

Highlights

• 130 flex for powerful, controlled performance
• Narrow 93mm race last for a precise fit
• World Cup–inspired liner for strong heel retention
• Temperature-stable shell material
• Adjustable tongue for customized fit
• Solid sole for direct connection to bindings

Things to Consider

• Narrow, low-volume fit — not ideal for wider feet
• Still a stiff, high-performance boot
• Best suited for aggressive skiing or race environments

Specifications