Stay prepared on the water with the M4 BOA Field Repair Kit, designed for quick, reliable lace system replacement in Simms boots. This compact kit includes an M4 replacement dial, stainless steel wire lace, lace lock, and flathead screwdriver, giving you everything needed to make on-the-spot repairs and get back to fishing fast.

Available in two lace lengths for the right fit, this kit is compatible with Simms G3 Guide BOA Vibram and Felt boots. Be sure to check the tongue label of your boots for sizing and lace length details.

• Includes M4 BOA dial, stainless steel lace, lace lock & screwdriver
• S-M (130 cm) fits boot sizes 711
• L-XL (150 cm) fits boot sizes 1214
• Compatible with G3 Guide BOA Vibram & Felt boots
• For other boot generations, order the corresponding BOA repair kit (M2, M3, or G4)