Flex Rating � 4 (1 Softest � 10 Stiffest) * Full Tilt boots are up to 2lbs/900g lighter per pair than other boots due to a minimalistic shell th * The Plush Liner is Full Tilt�s most luxurious liner. It is built extra thick for the ultimate in war * 102mm Female Anatomical Last * Easy On and Off with tongues that open like convertibles and will never block your foot.