Cater for all boa and atop all makes models and sizes. ie Boa 1st gen M3 or 2nd gen M2 model etc in size 7 or uk 9 50cm or 90 cm etc. S/M lace length: 100 cm, fits boot sizes 7-10. L/XL lace length: 110 cm, fits boot sizes 11-14.
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