From the manufacturer

The 4-Quattro GT Women's is designed with a slightly higher volume last to expand the fit range of the Quattro line. The GT is the warmest Quattro model, blending comfort and performance for those looking for a hybrid boot for long days on the slopes playing or working.

Features

• More Accommodating Fit
  Increased volume and a wider last provide a more accommodating, comfortable fit. 
• Updated Footbed
  High-tech multilayer construction blocks cold transfer, ensuring maximum comfort and warm feet in freezing conditions. 

Specifications

• Size Options: 22 - 27 (half sizes)
• Liner: Intuition® Pro Flex GT
• Cuff: High performance PU
• Flex: 90
• Binding System: Alpine GripWalk + AT + TLT
• Weight Reference: 1510g; 3lb 5.26oz (1/2 pair size 25)
• Last: 101mm
• Tongue: Pebax®
• Forward Lean: 17° +/- 2°
• Waterproof / Breathable: PFAS Compliant
• Shell: High performance PU
• Closure: 4 buckles + finger strap
• Ski / Walk Mode: Speed Lock 4