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Description

QUILO X4 BOOT Recommended Temperature: down to -20 °C / -5 °F

Since its launch in 2018, the QUILO from Blivet Sports has become the ultimate choice for winter cyclists seeking comfort, warmth, and performance.

  • 3M™ Thinsulate™ 400 g insulation — double the previous generation, providing enhanced warmth while keeping the legendary lightness of the QUILO.
  • New Blivet Sports THEREX membrane (10K mm / 10K g/m²) — laminated to the inner fabric, offering exceptional waterproofing and optimal breathability during intense activity.

The 2025 version – QUILO X4 – marks a major evolution. Completely redesigned, it pushes the limits of winter cycling boot design. Our goal: increase thermal protection without adding weight or compromising its unique style. The result: a more mature, more technical shoe, while remaining the lightest in its category.

  • 3M™ Thinsulate™ 400 g insulation for maximum warmth
  • New THEREX membrane (10K / 10K) for perfect waterproof/breathable balance
  • 360° rubber band for superior durability
  • Internal heel counter for improved foot stability
  • New cuts and surface materials, smooth lines, and technical details
  • Dual quick-lace system with automatic lock
  • Tongue and heel loops for quick on/off
  • Multi-layer removable insole: 70% natural wool
  • Calf strap + stanless steel gaiter loop
  • 360° reflective strips
  • Compatible with 2-bolt MTB pedals
  • Weight: 1378 g (size 43, pair)