Knix Coupons & Promo Codes
- 15% Off
15% Off Sitewide Code Exclusive
- 10% Off
10% Off First Order Coupon
- 10% Off
Extra 10% Off $150+ Sitewide Coupon
Knix Coupons & Promo Codes
- $20Off
$20 Off w/ Friend Referral Coupon
Expires 10/31/25Get $20 off your order when you refer a friend, online at knix.com! Just click to activate this coupon.
- Sale
From $25 Gift Cards Coupon
Expires 11/30/25Get gift cards from $25, online at knix.com! Just click to activate this coupon.
- Sale
Shop Underwear Coupon
Expires 11/30/25Shop underwear, online at knix.com! Just click to activate this coupon.
- Sale
Exclusive Offers Sign Up Coupon
Expires 11/30/25Sign up for exclusive offers, online at knix.com! Just click to activate this coupon.
- Sale
Shop Best Sellers Coupon
Expires 11/30/25Shop best sellers, online at knix.com! Just click to activate this coupon.
- Sale
Shop New Arrivals Coupon
Expires 11/30/25Shop new arrivals, online at knix.com! Just click to activate this coupon.
- Free Shipping
Free Shipping Coupon
Expires 10/31/25Enjoy free shipping on orders over $100, online at knix.com! Just click to activate this coupon.
If you're shopping for new underwear or activewear, look no further than Knix. Known for its comfortable and stylish designs, Knix is a brand loved by many. With our available promo codes and free shipping deals, you can shop for your favorite items at discounted prices. Make sure to check our site regularly for the latest offers!