2027 Atomic Redster TR F4 130 Ski Boot
2027 Atomic Redster TR F4 130 Ski Boot
2027 Atomic Redster TR F4 130 Ski Boot
2027 Atomic Redster TR F4 130 Ski Boot

2027 Atomic Redster TR F4 130 Ski Boot

26712

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Regular price $1,030.00 Sale price$850.00 Save 17%
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RACE PLACE has been authorized to offer special RACER PRICING on current season RACE SKIS, BOOTS and BINDINGS to all ski racers actively participating in USSA, FIS, College, High School, Nastar or Club Events.

**Discounted pricing is restricted to skis, boot and bindings.**

Selecting the correct ski boot is one of the most important equipment decisions a racer can make. A properly fitted race boot improves control, edge engagement, power transfer, and comfort while helping athletes develop strong technical skills. This guide explains how to determine both the correct boot flex and Mondopoint size for alpine ski racing.

Quick Navigation: Boot Flex | Boot Size | Fit Notes

Determining Ski Boot Flex

Ski boot flex refers to how much resistance a boot provides when the skier flexes forward. In general, heavier and more aggressive racers require stiffer boots, while lighter or less experienced athletes benefit from a softer flex that is easier to bend and control.

A useful starting point is to compare racer weight to the recommended flex range below. Most racers perform best when their body weight is approximately 10–30 pounds higher than the flex rating of the boot. Skill level, strength, terrain, discipline, and personal preference can all influence the ideal choice.

Race Place Tip: These recommendations are intended as general guidelines. Consult your coach, boot fitter, or Race Place ski expert for personalized recommendations. Ski boot flex ratings can vary significantly between manufacturers.

Ski Boot Flex Recommendations

Racer Weight (lbs) Racer Weight (kg) Recommended Flex
50–80 23–36 65
80–100 36–45 70
100–120 45–54 90
120–150 54–68 110
130–160 60–73 120
150+ 68+ 130–140

Determining Your Ski Boot Size

Ski boots use the Mondopoint (MP) sizing system, which measures foot length in centimeters. Unlike street shoe sizes, Mondopoint sizing provides a more precise measurement for ski boot fitting.

For the most accurate measurement, stand with your heel against a wall and measure from the wall to the tip of your longest toe in centimeters. The resulting measurement is your approximate Mondopoint size.

Because race boots are designed for maximum precision and responsiveness, many racers choose a close-performance fit. Actual fit can vary slightly between brands and models, so we recommend trying on a similar boot whenever possible.

Mondopoint Ski Boot Size Chart

Mondopoint (cm) Europe Men's US Women's US Kids' US
18.0 28.5 11.5
18.5 29 12
19.0 30 12.5
19.5 30.5 1 13
20.0 31 1.5 13.5
20.5 32 2 1
21.0 33 2.5 2
21.5 34 3 3
22.0 35 4 5 4
22.5 36 4.5 5.5
23.0 36.5 5 6
23.5 37 5.5 6.5
24.0 38 6 7
24.5 38.5 6.5 7.5
25.0 39 7 8
25.5 40 7.5 8.5
26.0 40.5 8 9
26.5 41 8.5 9.5
27.0 42 9 10
27.5 42.5 9.5 10.5
28.0 43 10 11
28.5 44 10.5 11.5
29.0 44.5 11
29.5 45 11.5

Race Place Fit Notes

  • Junior racers often benefit more from a properly fitting boot than a stiffer boot.
  • A race boot should fit snugly without causing pain or restricting circulation.
  • Performance-oriented race fits typically feel tighter than recreational ski boots.
  • Boot flex ratings are not standardized and can vary between manufacturers.
  • Professional boot fitting can significantly improve comfort, performance, and long-term development.

US Mainland Ground - $25 Flat Shipping Rate (per pair)
Express & International Calculated at Checkout
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Quick Specs

  • Category: Adult Race Ski Boot
  • Flex: 130
  • Last: 93 mm
  • Fit: Narrow / Race fit
  • Liner: World Cup Race Liner (Full Lacing)
  • Shell: Formula PU
  • Stance: 16°–18° Forward Lean
  • Sole: ISO 5355 Alpine Type A

Description & Features

Race ski boot precision defines the Atomic Redster TR F4 130. Built for aggressive racers, this narrow race ski boot delivers maximum power transfer and a locked-in feel for SL and GS. The 93 mm last, Anatomic Toe Box, and Ankle Retention System create a precise, secure fit with strong heel hold and balanced pressure. A Formula PU shell with Power Chassis enhances stability and edge-to-edge response, while adjustable forward lean and cuff alignment help fine-tune stance. The result is consistent control, fast energy transfer, and confidence at speed on race day or in training.

Features

  • 130 flex delivers strong rebound and race-level responsiveness
  • 93 mm race last provides a precise, low-volume fit
  • Power Chassis reduces sole flex for direct energy transfer
  • Ankle Retention System improves heel hold and responsiveness
  • Dual-Sided Cuff Alignment and Power Control for stance tuning
  • World Cup Race Liner with full lacing for a locked-in feel
  • Redster AFS Tongue distributes pressure evenly across the shin
  • 55 mm Professional Dual Strap enhances rebound and suspension
  • Magnesium Elite Buckles provide secure, precise closure
  • 0° sole canting and shell rotation for a neutral setup

Specs

  • Flex Index: 130
  • Last: 93 mm (Race Volume)
  • Shell Material: Formula PU Shell / PU Cuff
  • Cuff Height: Regular Cuff – All Sizes
  • Forward Lean: 16° (Default), 18°
  • Ramp Angle: 4°
  • Buckles: Magnesium Elite Buckles
  • Closure System: 4-Buckle Closure System
  • Power Strap: 55 mm Professional Dual Strap
  • Liner: World Cup Race Liner
  • Liner Features: Redster AFS Tongue, Ankle Retention System, Full Lacing, Dual Velcro Spoiler
  • Boot Board: Depth Guide Boot Board
  • Shell Technology: TR Wall Thickness, Podium Geometry, Power Chassis, Anatomic Toe Box, 0° Sole Canting, Grind Grid
  • Cuff Technology: Dual-Sided Cuff Alignment, Power Control
  • Shell Rotation: 0°
  • Sole: Redster Solid Sole
  • Norm: ISO 5355 Alpine Type A
  • Weight: 2,400 g (size 26–26.5)

Note: Includes size adjuster, second Power Control screw, liner laces, and liner spoiler.

Fit & Performance Technology

Power Chassis

Reinforces the connection between toe and heel, reducing sole flex and improving energy transfer directly to the ski.

Ankle Retention System

Uses advanced lace routing to enhance heel hold and create a more responsive, connected feel.

Professional Dual Strap

Combines elastic suspension with a static power section for smoother terrain absorption and strong energy transmission.

Formula Plastics

Maintains consistent flex across varying temperatures, delivering predictable performance in all race conditions.

Anatomic Toe Box

Provides a more natural forefoot shape for better balance, comfort, and control without sacrificing precision.

World Cup Race Liner

Offers a close, race-tight fit with minimal seams and full lacing for maximum power transfer and control.


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