The right running socks can make the difference between a comfortable run and one ruined by blisters, overheating or slipping.

Road running, trail running and ultra-distance events all place different demands on your feet. This guide explains how to choose the right merino running socks based on distance, terrain and conditions — helping you stay comfortable from 5km to ultra.

Road Running Socks

Road running demands lightweight, breathable socks that minimise bulk and friction.

Look for:

• Ultralight cushioning
  
• Close, secure fit
  
• Maximum breathability
  

Merino wool helps regulate temperature across changing conditions, keeping feet cool in summer and warm in winter.

Shop Ultralight & Lightweight Running Socks

Trail Running Socks

Trail running introduces uneven ground, debris and longer time on feet.

Trail socks should offer:

• Added cushioning underfoot
  
• Reinforced heel and toe
  
• Secure fit to prevent movement
  

Merino wool excels here by managing moisture and reducing friction on long, technical runs.

Shop Trail-Ready Merino Socks

Ultra & Long-Distance Running

For ultra distances, comfort and blister prevention matter more than weight.

Key features:

• Midweight cushioning
  
• Excellent moisture control
  
• Stable fit over hours of movement
  

Merino’s natural odour resistance also makes it ideal for stage races and multi-day events.

Sock Height: No-Show, Ankle or Crew?

• No-Show: Minimal feel, best for road running
  
• Ankle: Balanced protection and ventilation
  
• Crew: Added protection for trail and ultra running
  

Choose based on terrain and personal preference.

Our Recommendations

For most runners:

• Road: Ultralight or Lightweight merino socks
  
• Trail: Lightweight to Midweight cushioning
  
• Ultra: Midweight merino socks for protection and comfort
  

Shop Merino Running Socks Designed in Scotland

FAQs

Are merino running socks too warm?

No. Merino regulates temperature, keeping feet cool in warm conditions and warm when temperatures drop.

Do thicker socks help prevent blisters?

Proper fit and moisture control matter more than thickness. Merino reduces friction, which helps prevent blisters.