Smartwool PhD Pro Free Ski
Darn Tough Over-the-Calf Padded Light
Smartwool PhD Ski Medium
Icebreaker Ski+ Light
Darn Tough ThermoLite OTC
Awards Top Pick Award  Editors' Choice Award  Top Pick Award 
Price $30.95 at Amazon$24.95 at Amazon$26.95 at Backcountry
Compare at 3 sellers
$28.00 at Backcountry
Compare at 2 sellers
$23.95 at Backcountry
Compare at 2 sellers
Overall Score
77
75
84
82
76
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Pros Very breathable, fantastic wicking power, thoughtful cushioning, compressive fitSuper durable, great fit, super wicking ability, lifetime guaranteeWarm, comfortable, durable, reliableQuick to dry, comfortable, lighter padded constructionWarm, comfortable, thoughtful ventilation, synthetic construction, durable
Cons Not as durable, not very warmNot very warm, no additional paddingNo lifetime guaranteeLacks durabilityUnderfoot padding holds moisture, specific fit in toe box
Bottom Line A tight, ultralight ski sock built to simply wick and protectA stellar lightweight option for tight boots and aerobic days on the hillA great sock for those seeking an all-around performer that will last for many seasons to comeA lightweight sock that provides a wide range of thermoregulation in all weather conditionsThe best synthetic sock out there for skiers and snowboarders alike
Rating Categories PhD Pro Free Ski Over-the-Calf Padded... Smartwool PhD Ski Me... Icebreaker Ski+ Light ThermoLite OTC
Comfort & Construction (25%)
7
6
9
8
9
Warmth (25%)
6
6
9
8
7
Breathability (25%)  
10
9
8
8
6
Fit (15%)
9
9
8
10
7
Durability (10%)
6
9
7
7
10
Specs PhD Pro Free Ski Over-the-Calf... Smartwool PhD Ski... Icebreaker Ski+... ThermoLite OTC
Material 56% merino wool, 41% nylon, 3% elastane 60% Merino Wool, 36% Nylon, 4% Lycra Spandex 65% Merino Wool, 33% Nylon, 2% Elastane, Imported Yarn 57% Merino Wool, 40% Nylon, 3% Lycra 57% Thermolite Polyester, 35% Nylon, 5% Lycra Spandex, 3% Other fiber
Level of Cushioning Ultralightweight Ultralightweight Midweight Lightweight Midweight
Weight 2.2 oz 2.85 oz 3.15 oz 3.15 oz 3.15 oz
Left/Right specific? No No No Yes No
Overall height 14 inches 14 inches 13 inches 14.25 inches 13 inches
Padded area Ball, heel, shin Shin Shin, underfoot, ankle Shin, calf, foot, ankle Shin, underfoot, ankle
Warranty or Guarantee Head to Heels Guarentee upon arrival w/ 2 year Guarentee Unconditional Lifetime Guarentee Head to Heels Guarentee upon arrival w/ 2 year Guarentee Lifetime Guarentee Unconditional Lifetime Guarentee
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