Simms - M4 BOA Field Repair Kit Categories_Bino Bivies This truly versatile base layer

This truly versatile base layer liner treats high-grade polypropylene with Alphasan® technology (natural

ArmorSpun merino wool gives it the extra durability needed to last for seasons to come

5-15 x 50 i feature 6x zoom

Lotutec Hydrophobic Coating

Simms - M4 BOA Field Repair Kit Categories_Bino Bivies This truly versatile base layerIncludes M4 replacement dial, stainless steel wire lace, lace lock and flat head screw driver for easy lace system replacement in the field. For use with Simms G3 Guide BOA Vibram and felt. To verify which Lace Length you need look inside the boot on the tongue label where the size is marked. Previous Guide Boa, Headwaters BOA and RiverTek BOA Boot in Vibram and felt order M2 BOA Field Repair Kit. For 1st generation RiverTek BOA wading boots, order M3