v3.25.2
Cover
6 Months Ended
Jun. 30, 2025
Cover [Abstract]  
Registrant Name Amer Sports, Inc.
Entity File Number 001-41943
Document Type 6-K
Entity Address, Address Line One Cricket Square, Hutchins Drive
Entity Address, Address Line Two P.O. Box 2681
Entity Address, City or Town Grand Cayman
Entity Address, Postal Zip Code KY1-1111
Entity Address, Country KY
Central Index Key 0001988894
Amendment Flag false
Current Fiscal Year End Date --12-31
Document Period End Date Jun. 30, 2025
Document Fiscal Period Focus Q2
Document Fiscal Year Focus 2025