TUSA Spring Strap Size:Medium it has been strengthened to

it has been strengthened to avoid rubbing and damage to the bottom when the back is leaned against

or zip completely down when the sun comes out

The TUSA SPORT UM16QB SERENE MASK gently conforms to the contours of your face

100% windproof

·         Flexible silicone joint reduces strain on the mouth

TUSA Spring Strap Size:Medium it has been strengthened toThe TUSA TA81 SPRING STRAPS are a great accessory for our open heel scuba fins. A definite upgrade to standard straps, spring straps do not need to be adjusted for size and easily slip over the heel securely when donning doffing Size Small fits: XS and S fins Size Medium fits: M and ML fins Size Large fits: L and XL fins FEATURES: High quality stainless steel strap and TUSA EZ buckle system Will fit on most any fins available on the market Fit