13.1 Marathon Runner Heartbeat Line T-Shirt

13.1 Marathon Runner Heartbeat Line T-Shirt
13.1 Marathon Runner Heartbeat Line T-Shirt
13.1 Marathon Runner Heartbeat Line T-Shirt
13.1 Marathon Runner Heartbeat Line T-Shirt
13.1 Marathon Runner Heartbeat Line T-Shirt
13.1 Marathon Runner Heartbeat Line T-Shirt
13.1 Marathon Runner Heartbeat Line T-Shirt

13.1 Marathon Runner Heartbeat Line T-Shirt

$17.95

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13.1 Marathon Runner Heartbeat Line T-Shirt

100% Ring-Spun Cotton | U.S. Sizing (S-5XL)

On-model front view — T-shirt featuring 13.1 Marathon Runner Heartbeat Line front print.
13.1 Marathon Runner Heartbeat Line T-shirt — on-model front view, front print.

Product Details

  • Material: 100% ring-spun cotton fabric, selected for durability and post-wash retention.
  • Fit: Standard U.S. apparel sizing. Fabric is pre-shrunk to minimize dimensional changes after laundering.
  • Construction: Double-needle stitching at the shoulders, sleeves, and hem for reinforced seams.
  • Printing: Processed with Brother GTX Pro series technology using water-based inks.
  • Production: Designed and printed at our facility in Colorado, USA.
Rolled sleeves leaning pose — T-shirt featuring 13.1 Marathon Runner Heartbeat Line.
13.1 Marathon Runner Heartbeat Line T-shirt — on-model rolled sleeves, leaning pose.

Technical Specifications

Attribute Details
Fabric Composition 100% Pre-shrunk ring-spun cotton
Fabric Weight Midweight 4.5 oz/yd² (153 GSM)
Neckline Round 7/8" ribbed collar with interior neck taping
Seam Type Reinforced side seams and shoulder-to-shoulder taping
Care Requirement Machine wash cold (≤86°F/30°C), inside-out

Intended Use

  • Daily casual wear.
  • Layering garment for variable climates.
  • Light activity and everyday movement.
Female model pointing to 13.1 Marathon Runner Heartbeat Line T-shirt front design.
13.1 Marathon Runner Heartbeat Line T-shirt — female model pointing to front design.

Size & Fit Guide

Size Chest (Flat) Body Length Sleeve Length
S18"28"8"
M20"29"8.25"
L22"30"8.63"
XL24"31"8.75"
2XL26"32"9"
3XL28"33"9.25"
4XL30"34"9.5"
5XL32"35"10"

Care Instructions

Preparation: Turn garment inside-out before washing to protect the print.
Wash: Machine wash cold (≤86°F) with mild detergent.
Dry: Tumble dry on low heat or hang dry.
Restrictions: Avoid bleach, softeners, and ironing directly on the print.

Shipping & Delivery

Processing: Orders are processed and dispatched within 1–3 business days.

Standard
3-5 business days
$7.99
Flex
2-4 business days
$12.99
Express
1-3 business days
$29.99

Returns & Refunds

30-Day Policy
Refunds are available for unworn, unwashed items in original condition within 30 days of delivery.
Exchanges
To exchange for a different size or color, please initiate a return for the original item and place a new order.
Processing
Refunds are processed to the original payment method within approximately 48 hours of return inspection.

Frequently Asked Questions

Q: How does the pre-shrunk cotton affect the size?
A: The pre-shrinking process is designed to minimize shrinkage after home laundering, helping the garment maintain its original fit.
Q: What type of inks are utilized?
A: We use Brother water-based textile inks for all direct-to-garment printing.
Q: What type of shipping packaging is used?
A: Orders are shipped using recyclable mailers.

Payment & Support

Secure Payments
Transactions are processed via PayPal and Stripe. These gateways are PCI-compliant and utilize SSL encryption.
Customer Support
Available Mon–Fri, 5:00 AM–9:00 PM MST. Reach us at (970) 424-1494 or support@sarastan.com .
Location
2650 University Heights Ave, Boulder CO 80302, United States
Female model smiling, pointing to 13.1 Marathon Runner Heartbeat Line T-shirt front design.
13.1 Marathon Runner Heartbeat Line T-shirt — female model pointing to front design, smiling.


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