A FLUX-exclusive part that allows you to adjust boot flex by inserting it into the pocket on the boot's tongue.

Made from a highly reactive material, it enables acceleration during carving and quick turn transitions.

Included: ACCELERATE TONGUE x 2

【Sizes】
・S: 23.0-25.0
・M: 25.5-28.0
・L: 28.5-30.5

【Compatible Models】
・2025-26 LB-BOA
・2025-26 TB-BOA
・2025-26 HB-BOA

※Please check compatible models and your boot size before purchasing.
Cannot be used with models other than those listed above.