Performance Running Socks
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Description
Made for miles and designed by runners, these Long Run Co. custom crew running socks are a soft, lightweight, and breathable running sock built to support your feet on every run.
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Blister-Smart: Nylon provides optimal moisture transfer and durable wear.
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Never-Slip Heel: Toe and heel pockets precisely measured to help runners reduce hot spots and blisters.
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Subtle Compression: Anatomically shaped and elastic materials help the mid-foot provide arch support that hugs without squeezing.
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Durability: Nylon provides notorious durability that holds up over many miles and washes.
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Achilles Shield: Crew-height supports and shields the heel from running shoes that can cause irritation and even stop runs.
- Best Materials, Backed By Science: Nylon adds a velvety feel, durability, and moisture-wicking properties. Elastane provides a custom like fit that's elastic and adapts to your natural movements.
Size Chart:
| Size | Women's Shoe Size | Men's Shoe Size | Length (cm) |
| Small | 6-9 | 4.5-7.5 | 17cm |
| Large | 10-13 | 8.5-11.5 | 21cm |
Materials:
94% Nylon, 6% Lycra
This premium blend keeps your feet dry, comfortable, and supported through every run.
Care Instructions:
Machine wash cold. Tumble dry low. Avoid bleach for long-lasting performance.
Shipping
The Long Run warehouse team packs and ships orders within 1 business day, or less.
Shipping is free on orders $49+.
BUILT FOR THE LONG RUN
Premium Partners
We work with brands like YETI, BOCO, & HydroFlask to bring the best quality gear to your routine.
Durable
Long Run gear lasts a long time, as a result of the premium quality. No shortcuts.
Versitile
Whether it be tumblers, hats, socks, Long Run's gear can be taken anywhere and used for anything.
Customer Service
We value our community. If something is wrong, we will work with you until it's made right. No exceptions.
Long Run Co.'s
Impact on Performance
100
Hydration maintenance
No hydration loss
11.7
Faster Reaction Time
Vs. Control Group
5.3
ML/KG/MIN
MORE OXYGEN (V02)
71
Faster 10km Time
Average trail
3
Lab Visits
200MG
Caffeine Dose
60.0
Avg VO2max
10KM
Treadmill Trial
4
Trained Runners
Acute Effects of Long Run Coffee on Cognitive Function, Exercise Performance, and Hydration: A Pilot Study
BACKGROUND: Caffeine and hydration strategies are commonly used to optimize endurance performance and cognition, yet the combined effects of coffee with added electrolytes during exercise remain understudied.
PURPOSE: This pilot study examined the acute effects of Long Run Coffee (LRC; 200 mg caffeine with electrolytes) compared to decaffeinated coffee on exercise performance, cognition, and hydration in trained adults.
METHODS: Four trained runners (2 males, 2 females; mean age 22.4±5.9 yrs; body weight 71.3±5.0 kg; body fat 11.7±2.8%; VO₂max 60.0±10.8 ml/kg/min) completed three laboratory visits: (1) VO₂max testing and (2–3) two counterbalanced 10km treadmill time trials following ingestion of LRC or decaf coffee 60 minutes prior. Cognitive outcomes were assessed via the Stroop test (response time and accuracy) at baseline, pre-exercise, and post-exercise. Hydration status was determined via urine specific gravity (USG) at the same timepoints. Exercise measures included VO₂, respiratory exchange ratio (RER), heart rate (HR), and running speed collected every 2.5km. Data were analyzed using repeated-measures ANOVA with paired post hoc comparisons.
RESULTS: A significant effect of time was observed for Stroop response time (p=0.026), with post-exercise response time faster overall. Post-run response time was faster with LRC than decaf (0.540 vs. 0.606 s), with a large within-subject effect size (Cohen's d = –1.14). Accuracy remained high (>28/30 trials), with a trend toward condition × time interaction (p=0.067) and moderate-to-large post-run effect size favoring LRC (d=0.78). HR increased significantly with distance (p=0.0016), confirming physiological progression across the run, but no condition differences were found in VO₂, RER, or speed with this sample size. Descriptively, LRC produced faster completion times (2738.5±439 s vs. 2809.8±396 s) and higher average VO₂ (51.1 vs. 45.8 ml/kg/min). USG decreased significantly over time (p=0.033), reflecting expected fluid shifts during exercise, but there were no differences between conditions at any timepoint.
CONCLUSION: This pilot study suggests that LRC may enhance cognitive performance post-exercise and modestly improve endurance running performance without impairing hydration status compared to decaf coffee. Although underpowered, these preliminary findings warrant further investigation in larger cohorts to clarify the ergogenic and neurocognitive benefits of caffeine-electrolyte coffee blends in endurance settings.
Long Run Partners
BUILT DIFFERENT.
Every spec, dialed for athletes.
Tumblers
Brand Partner
Hats
Brand Partner
Wearables
Brand Partner
Customer Service
Highly Reviewed
Versitile
Use it anywhere, anytime.
WHY LONG RUN
FUEL FOR Athletes
Every claim, backed by science. Every ingredient, dialed for performance.
Durable
Highest quality materials only. We choose brand partners by quality first.
High Quality
FROM THE FIELD
100M+ Miles Fueled
There are thousands of athletes in the Long Run community. And they are awesome.
YETI Tumbler
Perfect for those early morning work days. Keeps the coffee hot and love the logo on there.
Run Hat
Love this hat, especially in the heat! Wicks sweat nicely. Plus this hat can take a beating, washed a bunch and it holds up really well!
Performance Socks
Fantastic fitting run sock. Been wanting a pair for a while now.
YETI Tumbler
Perfect mug, YETI tumbler looks sharp, feels solid, and keeps coffee hot way longer than expected. Great size, great design, and built to take a beating. Easy recommend for any runner who wants a tough, good‑looking daily mug.
YETI Tumbler
Awesome bottle and love the branding on it.
Run Hat
Soft and sweat wicking. Great material. Plus, looks cool.