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Men's I Had A BIG DAY Running Long Sleeve

Regular price $44.00

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Please reference size chart at the bottom of the description.

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Attention all pavement pounders, trailblazers, and treadmill tyrants! Behold the "Men's I Had A BIG DAY Running Long Sleeve," the only top that truly understands the gravity of your jogging journey and the vastness of your victory. This isn't just a long sleeve; it's a wearable victory lap, a high-five to your triceps, and a bear hug for your biceps all rolled into one.

Crafted with 100% combed and ring-spun cotton, this tee is softer than your post-run euphoria and more comforting than the thought of carb-loading. And for the heather aficionados, we've got a mix that's as balanced as your last electrolyte drink – 52% combed cotton and 48% polyester, because your running attire should be as multifaceted as your training.

With a regular fit that’s as accommodating as the wide open road, you'll have room to move, stretch, and flex all those muscles you've been working on. The side-seamed construction is as sturdy as your resolve on hill day, and the crew neck is as classic as the ol' "carbo-loading the night before" strategy.

Available in the most forgiving of colors – Black Heather, for those who accidentally spill their protein shake; Navy, for the bold who run rain or shine; and Dark Grey Heather, for those who believe sweat is just liquid awesome.

The "I Had A BIG DAY Running" slogan across your chest isn't just a statement, it's a story – one of early mornings, blistered feet, and the kind of chafing conversations that runners are all too familiar with.

So, gentlemen, don this heroic long sleeve and strut around town. Let the world know that while today you might be taking the stairs one at a time, yesterday, you ran like the wind was getting on your nerves.

• 100% combed and ring-spun cotton
• Heather colors are 52% combed and ring-spun cotton, 48% polyester
• Fabric weight: 4.2 oz/yd² (142.4 g/m²)
• 32 singles
• Regular fit
• Side-seamed construction
• Crew neck
• Cover-stitched collar
• 2″ (5 cm) ribbed cuffs

This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!

Size guide

  SHIRT LENGTH (inches) CHEST WIDTH (inches) CHEST TO FIT (inches) SLEEVE LENGTH (inches)
XS 27 16 ½ 31-34 25
S 28 18 34-37 25 ⅝
M 29 20 38-41 26 ¼
L 30 22 42-45 26 ⅞
XL 31 24 46-49 27 ½
2XL 32 26 50-53 28 ⅛
XS 68.6 42 78.7-86.4 63.5
S 71.1 45.7 86.4-94 65
M 73.7 50.8 96.5-104.1 66.6
L 76.2 55.9 106.7-114.3 68.3
XL 78.7 61 116.8-124.5 69.9
2XL 81.3 66 127-134.6 71.4

Return Policy FAQs


We don’t offer returns and exchanges, but if there’s something wrong with your order, please let us know by contacting us using our contact form.


Refunds are only offered to customers that receive the wrong items or damaged items. If any of these apply, please contact us at with photos of wrong/damaged items and we’ll sort that out for you.


At this time, we don't offer exchanges. If you’re unsure which size would fit better, check out our sizing charts—we have one for every item listed on our store, in the product description section. Though rare, it's possible that an item you ordered was mislabeled. If that’s the case, please let us know at within a week after receiving your order. Include your order number and photos of the mislabeled item, and we’ll send you a new one, or issue a refund!

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