Soft feel. Built to move.
Surino™ · Alpaca + Merino
Surino™ blends soft suri alpaca with merino wool for a lightweight sock that feels smooth, breathable, and easy to wear. Made for golf, court sports, training, travel, and daily movement, it brings natural-performance comfort to the pairs you reach for most.
Temperature Regulation
Built for comfort across changing temperatures and activity levels.
Moisture Management
Helps keep feet drier through active miles and long days.
Odor Resistant
Helps keep socks fresher through repeat wear and multi-day use.
Engineered Durability
Reinforced construction that holds up wash after wash.
Lifetime Warranty
If they ever wear out, we replace them. No expiration.
one refined blend. two ways to wear it.
Surino™ carries the same soft, breathable alpaca-merino construction across both heights — Micro for low-profile comfort, 9" Crew for added coverage through sport, travel, and everyday wear.
natural softness with everyday performance.
Surino™ combines the smooth comfort of suri alpaca with the familiar softness and stretch of merino — then builds it into a lightweight sock made for movement, daily wear, and long hours on your feet.
See why our customers love Altera.
Real reviews from customers wearing Altera on the job, in the field, and everywhere in between.
If they wear out, we replace them.
Every Surino™ pair is backed by our Unconditional Lifetime Warranty. No fine print, no expiration.
Read the warranty →