STOP THE BURN
BEFORE IT STARTS.

The only anti-friction balm built by ultra runners, for ultra runners. Sweat-proof. Stain-free. Tested where comfort goes to die.

SHOP — FROM $9.99 → How it works

100mi

Race-tested protection

5.0★

Verified reviews

$0

Risk · full refund policy

✓ Tested in 100-mile races.

✓ Sweat-proof friction barrier.

✓ Cosmetic-grade water shield.

✓ Zero stain. Zero mess.

Questions? We've got answers.

TIME TO GET SLIPPERY

Go Stick (0.5 oz/ 14 g)

Go Stick (0.5 oz/ 14 g)

Regular price $9.99 USD

Regular price Sale price $9.99 USD
Endurance Tin (2 oz / 56 g)

Endurance Tin (2 oz / 56 g)

Regular price $15.99 USD

Regular price Sale price $15.99 USD
Go Pouch (0.3 oz / 9 ml)

Go Pouch (0.3 oz / 9 ml)

Regular price $2.99 USD

Regular price Sale price $2.99 USD

Spring heat means more miles, more sweat, more friction. Stop the chafing before it starts.

TRY FRX RISK FREE

If you're not happy, we're not happy. Any reasonable request for a refund will be honored. No questions asked, no jumping through hoops, and you keep the product.

Stop the Burn

Item added to your cart

STOP THE BURN
BEFORE IT STARTS.

TIME TO GET SLIPPERY

Go Stick (0.5 oz/ 14 g)

Go Stick (0.5 oz/ 14 g)

Endurance Tin (2 oz / 56 g)

Endurance Tin (2 oz / 56 g)

Go Pouch (0.3 oz / 9 ml)

Go Pouch (0.3 oz / 9 ml)

Customers are saying

Spring heat means more miles, more sweat, more friction. Stop the chafing before it starts.

TRY FRX RISK FREE

STOP THE BURN BEFORE IT STARTS.

TIME TO GET SLIPPERY

Go Stick (0.5 oz/ 14 g)

Go Stick (0.5 oz/ 14 g)

Endurance Tin (2 oz / 56 g)

Endurance Tin (2 oz / 56 g)

Go Pouch (0.3 oz / 9 ml)

Go Pouch (0.3 oz / 9 ml)

Customers are saying

Spring heat means more miles, more sweat, more friction. Stop the chafing before it starts.

TRY FRX RISK FREE

STOP THE BURN
BEFORE IT STARTS.