But you can use a fibreglass patch on a Kevlar canoe. (Kevlar is nearly impossible to cut without proper shears, but determined DIYers can buy pre-cut patches or get one custom cut.) If possible ...

from a We-no-nah Kevlar Canoe to a Crazy Creek camping chair. Guided options offer an extra layer of comfort and another pair of hands for portaging that loaded, 42-pound (19-kilogram) canoe.