








All-mountain ski boots - Women -
Advice : Use the foot sizer from SIDAS to help you find the right size
The Anthem 85 BOA is an all-mountain ski boot for women from the brand K2.
Featuring a flex of 85 and a last volume of 100 mm, it is designed for intermediate skiers seeking a good balance between performance and comfort. Its BOA® closure system provides a precise and even hold on the foot, with uniform pressure distribution for an optimal fit throughout the day. The shell incorporates FASTFIT INSTEP technology, which facilitates entry thanks to a softer TPU material around the instep.
Its P4 liner combines simplicity and comfort with a construction of PVC, PE foam, and open-cell foam for effective cushioning and support without excessive volume. The GRIP WALK sole, designed with a rocker shape, improves grip and comfort when walking, ideal for off-piste transitions. The TRUEALIGN GEOMETRY construction allows you to maintain a natural posture, enabling easy and confident skiing.
Thanks to its MULTIFIT LAST shape, it adapts to a wide variety of feet between 97 and 100 mm, ensuring a personalised fit. The Anthem 85 BOA is the perfect boot for all-mountain ski enthusiasts looking to combine technical performance and long-lasting comfort.

- Sole : Gripwalk
| FASTFIT INSTEP | A more flexible TPU material is used at the instep on certain shell models, allowing for quick and easy entry and removal of the boot. |
| P4 LINER | This liner is designed to offer simplicity and comfort. Its construction with an outer PVC shell, a PE mid-foam, and an open-cell inner foam provides comfortable cushioning. The 10 mm PE tongue adds support without increasing volume. Intended for recreational skiers seeking a reliable fit and accessible performance. |
| MULTIFIT LAST | Shape developed in conjunction with Boa to fit a variety of foot shapes from 97 to 100mm. |
| BOA® | The BOA® micro-adjustment closure system offers precise and even foot hold. It distributes pressure evenly to improve comfort and performance throughout the day. |
| GRIP WALK |
Designed with a rocker shape to increase grip and walking comfort. |
| TRUEALIGN GEOMETRY |
With good balance, skiing becomes easier and more efficient. The True Align Gerometry technology adjusts according to the slope, your position, foot alignment, and calf position to fit the female morphology, helping female skiers easily maintain their centre of gravity. Ski with confidence. |
