Blis-Sox® – Gel-Lined Socks to Prevent Heel Blisters

Say goodbye to painful heel blisters with Blis-Sox®, the innovative gel-lined socks designed to provide instant comfort and long-lasting protection. Whether you’re breaking in new shoes, heading out for a long run, hiking steep trails, or simply on your feet all day, Blis-Sox® minimise friction and absorb impact right where you need it most.
They’re also fantastic for breaking in new climbing shoes, giving you extra heel comfort without affecting performance or shoe fit.

Key Features

• Gel-Lined Heel Protection – A cushioned gel patch is built into the heel area to reduce friction, prevent rubbing, and stop blisters before they form.

• New Softer Fabric – Engineered with a breathable, stretch-knit fabric that feels soft against the skin while remaining durable for daily wear.

• Seamless Open-Toe Design – Slides comfortably under your usual socks without creating bulk; perfect for use with any type of footwear.

• Targeted Achilles Comfort – Helps absorb impact around the heel and Achilles tendon, reducing irritation during high-activity movement.

• Ideal for Sports & Everyday Use – Great for running, hiking, walking, gym sessions, cycling, outdoor activities and especially for breaking in new climbing shoes.

• One Pair Per Pack – Available in two size ranges:

  • UK 3–8 / EU 36–41

  • UK 8–14 / EU 41–49

How to Use

Wear Blis-Sox® underneath your normal socks. The gel lining sits directly on the heel, providing targeted blister prevention and enhanced comfort throughout the day.

Why You’ll Love Them

Blis-Sox® are an effortless solution for anyone who struggles with heel blisters. Lightweight, breathable, and supportive, they provide reliable protection without affecting the fit of your footwear — perfect for climbers easing into new, tighter shoes.