LeakStrong™ Leakproof Short - Original
High-rise fit
Medium impact
Absorbs about 3 super tampons







Sarah has 39" hips and wears a Knix size M


Sarah has 39" hips and wears a Knix size M



Sarah has 39" hips and wears a Knix size M
Sarah has 39" hips and wears a Knix size M
LeakStrong™ Leakproof Short - Original
High-rise fit
Medium impact
Absorbs about 3 super tampons
Absorbency:
Heavy
Size and Fit Guide


Shipping
Shipping
Processing Timelines
Please allow 1-2 business days for our warehouse team to pack and ship your order. During peak periods such as sales, holidays and product launches, please allow up to 4 business days for us to process your order.
Delivery Time
For the most up-to-date delivery time estimates, please refer to the shipping timeline at checkout. Delivery timelines vary depending on location and do not include processing times.
Shipping Charges
Orders over $100* CAD = Free Shipping (2-6 business days)
Orders under $100* CAD = $12 CAD Shipping (1-3 business days)
Orders delivering to NWT, Nunavut and Yukon are subject to $20 delivery fee.
*After discounts, before shipping and taxes.

Returns
Returns
Free Returns
Knix covers the return shipping fees for exchanges and refunds initiated through our Return & Exchange Portal. Exchange orders initiated through our Return & Exchange portal are also eligible for free shipping within the USA and Canada. Please note, the shipping fees on your original order are non-refundable.
Return Policy
Return policy varies by product, please check if your item is refund or exchange eligible by viewing our full policy here.
Sale & Last Call
Items discounted below 30% are eligible for size exchange or store credit. Items discounted 30% and above are final sale – no refunds, store credits, or exchanges can be accommodated.
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Functional Style
High-rise shorts with an 8" inseam and an extra-wide, no-slip supportive waistband that defines your natural shape. Features side pockets for sneaky storage.

Moderate Absorbency
Featuring our FitKnix™ technology and quick-dry fabric with a built-in leakproof liner that absorbs 3 super tampons' worth of liquid.

Machine Washable

Fabric
Body: 70% Nylon, 30% Lycra® MyFit™
Mesh: 62% Nylon 38% Spandex
Gusset: Fresh Fix Technology
Gusset: 88% Polyester, 12% Nylon
Lining: 86% Cotton, 10% Spandex, 4% Carbon
Free standard shipping over $100.
Eligible for return or exchange within 30 days of delivery, in unworn condition with tags attached.Zoom






How to Choose?
Essential
- • Everyday Wear
- • No leakproof protection
Heavy
- • heavy period days
- • overnight protection
- • light bladder leaks
Light
- • light period days
- • sweat
- • sweat and discharge
Moderate
- • moderate period days
- • light bladder leaks
- • sweat
Ultra
- • extra heavy period days
- • overnight protection
- • light bladder leaks
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- Rated 2 out of 5 stars3 days agoSweaty Mess
There is a lot to like about these shorts, but they show sweat stains everywhere other than the liner area, which then also looks kind of strange as a result. Will have to stick to the darkest colours. Sizing is a bit off if you have a smaller waist and strong thighs, but don’t have issues with them rolling up or down.
SuzyVerified BuyerWas this helpful? - Rated 2 out of 5 stars1 month agoDon't stay put
When I tried them on in the store they seemed to fit well but trying to play sports in them they don't stay put. Constantly fidgeting/adjusting them.
Caroline C.Verified BuyerWas this helpful? - Rated 5 out of 5 stars1 month ago5 Stars
Good quality. Haven't usded it yet, so I can not speak about the absorvancy, but it looks pretty well made, and I am happy with this purchase. My daughter is using it for sports and she liked how they felt when she trued them on. Price is high, though, even though I got them on sale, but I think it is worth it. .
IdanaVerified BuyerWas this helpful? - Rated 4 out of 5 stars3 months agoVery comfy but a little big on the waist
I love these, there very breathable and comfy and the color is very pretty. I bought the XL that fits perfectly around my hips and legs with no circulation cutoff but the waist is a tad too loose. It would be awesome if the waist was tighter as I am always pulling them up. For reference I am 47 inch at the hips and 38 inch at the waist which are basically the measurements for an XL so maybe they run a tad too big but the hips and below fit perfectly so I am torn.
KrakenVerified BuyerWas this helpful? - Rated 2 out of 5 stars4 months agoToo tight and thick
Very tight and thick
Irina G.Verified BuyerWas this helpful? - Rated 5 out of 5 stars4 months agoKnix LeakproofUnderwear
Top notch, just ordered 3 more.
Donna S.Verified BuyerWas this helpful? - Rated 5 out of 5 stars4 months agoPickleball perfect
I play much better when I am comfortable in these shorts.
Diana P.Verified BuyerWas this helpful? - Rated 5 out of 5 stars5 months agoShorts
Love these
Linda S.Verified BuyerWas this helpful? - Rated 2 out of 5 stars6 months ago2 Stars
Waist band will not stay smooth. Keep folding over
GursharnVerified BuyerWas this helpful? - Rated 3 out of 5 stars6 months agoProduct 3*, customer service 10+*
I was disappointed. There's is very little stretch in the waist line....I couldn't get them on over my hips.
Customer service went above and beyond, to make sure I was happy.
JUDITH V.Verified BuyerWas this helpful? - Rated 1 out of 5 stars7 months ago1 Star
The medium would fit a child
LouiseVerified BuyerWas this helpful? - Rated 4 out of 5 stars8 months agoNice material, tight fit
I like them and will save for period workouts. They definitely made me feel safe that I wouldn’t have leaks! The only downside is they are a little thicker than I like. If you’re looking for tummy control, these are great!
Catherine R.Verified BuyerWas this helpful?