REST DAY Definition T-Shirt — The Hardest Day of the Week

Every runner knows the feeling. Your training plan says REST DAY. Your legs may appreciate it—but your mind is already thinking about the next run.

The Runday REST DAY Definition T-Shirt takes one of the most familiar terms in running and gives it the dictionary treatment every runner will understand. Clean, classic typography gives it the look of a traditional dictionary entry, while the definition captures the funny contradiction of being a runner: knowing recovery is part of training while still wishing you were out running.

Made for Runners Who Understand
This shirt is for the runner who checks tomorrow's weather on a rest day. The runner who calls a walk “active recovery.” The runner who knows that taking a day off isn't quitting—it's preparing to come back stronger.
Whether you're training for your first 5K, chasing a 10K PR, preparing for a half or full marathon, or simply running because you love it, REST DAY is part of the language we all share.

Its understated dictionary-style design also makes it a fun gift for runners, marathoners, running partners, coaches, running-club members, and anyone who has trouble sitting still on their scheduled day off.

Because sometimes the hardest workout...is not working out.

REST DAY — noun.
Recovery today. More miles tomorrow.

Part of the Runday Runner Lingo Collection — If You Run, You Get It.The 100% cotton unisex classic tee will help you land a more structured look. It sits nicely, maintains sharp lines around the edges, and goes perfectly with layered streetwear outfits. Plus, it's extra trendy now!

• 100% cotton
• Sport Grey is 90% cotton, 10% polyester
• Ash Grey is 99% cotton, 1% polyester
• Heather colors are 50% cotton, 50% polyester
• Fabric weight: 5.0–5.3 oz/yd² (170-180 g/m²)
• Open-end yarn
• Tubular fabric
• Taped neck and shoulders
• Double seam at sleeves and bottom hem
• Blank product sourced from Honduras, Nicaragua, Haiti, Dominican Republic, Bangladesh, Mexico

Disclaimers: 
• Due to the fabric properties, the White color variant may appear off-white rather than bright white.
• Dark color speckles throughout the fabric are expected for the color Natural.

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!