1RP Core Workout Tee Sienna

Name: 1RP Core Workout Tee Sienna
Brand: Gym Ratzz
SKU: 1RPCORE-124
Price: 49.0 USD
Availability: InStock

1RPCORE-124

Regular price$49.00

Key Features:

Soft & Breathable: Pima cotton keeps you cool and comfortable.
Moisture-Wicking: Lyocell helps manage sweat and stay dry.
Flexible Fit: Elastane adds stretch for full range of motion.
Durable: Resists pilling and holds shape over time.
Versatile: Clean look works in and out of the gym.

Size Guide

Size

Size Guide

Size

Quantity

Free U.S. Shipping — arrives in 3–5 Days

[{"id":46083093463296,"title":"S","option1":"S","option2":null,"option3":null,"sku":"1RPCORE-124","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"1RP Core Workout Tee Sienna - S","public_title":"S","options":["S"],"price":4900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083093496064,"title":"M","option1":"M","option2":null,"option3":null,"sku":"1RPCORE-118","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"1RP Core Workout Tee Sienna - M","public_title":"M","options":["M"],"price":4900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083093528832,"title":"L","option1":"L","option2":null,"option3":null,"sku":"1RPCORE-112","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"1RP Core Workout Tee Sienna - L","public_title":"L","options":["L"],"price":4900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083093561600,"title":"XL","option1":"XL","option2":null,"option3":null,"sku":"1RPCORE-106","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"1RP Core Workout Tee Sienna - XL","public_title":"XL","options":["XL"],"price":4900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}]

BUY MORE SAVE MORE

Buy 2 Get 10% Off | Buy 3 Get 15% Off

*Automatically applied at checkout

The 1RP Core Workout Tee is designed for all-day comfort with a soft, breathable blend of recycled polyester, polyester, and elastane. It moves with you, wicks away sweat, and stays fresh thanks to its odor-resistant finish. Whether you're training or taking it easy, this tee keeps you comfortable from start to finish.

The Gym Ratzz 1RP Core Workout Tee is made out of 48% Recycled Polyester, 42% Polyester, and 10% Elastane.

Build Your Look

Size

Flex Scallop Short Citronelle

$57.00

[{"id":46083119776000,"title":"S","option1":"S","option2":null,"option3":null,"sku":"FLEXAC823-330-17","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Citronelle - S","public_title":"S","options":["S"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083119743232,"title":"M","option1":"M","option2":null,"option3":null,"sku":"FLEXAC823-330-18","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Citronelle - M","public_title":"M","options":["M"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083119710464,"title":"L","option1":"L","option2":null,"option3":null,"sku":"FLEXAC823-330-19","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Citronelle - L","public_title":"L","options":["L"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083119677696,"title":"XL","option1":"XL","option2":null,"option3":null,"sku":"FLEXAC823-330-20","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Citronelle - XL","public_title":"XL","options":["XL"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}]

Size

Flex Scallop Short Oceanview

$57.00

[{"id":46083117220096,"title":"S","option1":"S","option2":null,"option3":null,"sku":"FLEXAC823-330-3","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Oceanview - S","public_title":"S","options":["S"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083117252864,"title":"M","option1":"M","option2":null,"option3":null,"sku":"FLEXAC823-330-7","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Oceanview - M","public_title":"M","options":["M"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083117285632,"title":"L","option1":"L","option2":null,"option3":null,"sku":"FLEXAC823-330-11","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Oceanview - L","public_title":"L","options":["L"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083117318400,"title":"XL","option1":"XL","option2":null,"option3":null,"sku":"FLEXAC823-330-15","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Oceanview - XL","public_title":"XL","options":["XL"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}]

Size

Flex Scallop Short Olive Green

$57.00

[{"id":46083118039296,"title":"S","option1":"S","option2":null,"option3":null,"sku":"FLEXAC823-330-2","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Olive Green - S","public_title":"S","options":["S"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083118072064,"title":"M","option1":"M","option2":null,"option3":null,"sku":"FLEXAC823-330-6","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Olive Green - M","public_title":"M","options":["M"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083118104832,"title":"L","option1":"L","option2":null,"option3":null,"sku":"FLEXAC823-330-10","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Olive Green - L","public_title":"L","options":["L"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":46083118137600,"title":"XL","option1":"XL","option2":null,"option3":null,"sku":"FLEXAC823-330-14","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Flex Scallop Short Olive Green - XL","public_title":"XL","options":["XL"],"price":5700,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}]

Customers rate us 5.0/5 based on 8 reviews.

See it in action

“Gear that keeps up.”

— Kelvy Fernandez, Founder of GymRatzz

Flexible Performance

Infused with 10% elastane for added stretch—giving you full freedom to squat, sprint, or stretch.

Eco-Friendly Fabric

Made with 48% recycled polyester to reduce waste without compromising on durability or style.

All-Day Comfort

Crafted from a lightweight, breathable blend that moves with you—whether you’re working out or winding down.

Flexible Performance

Infused with 10% elastane for added stretch—giving you full freedom to squat, sprint, or stretch.

Eco-Friendly Fabric

Made with 48% recycled polyester to reduce waste without compromising on durability or style.

All-Day Comfort

Crafted from a lightweight, breathable blend that moves with you—whether you’re working out or winding down.

More Tees

1RP Core Workout Tee Seaborne

$49.00

1RP Core Workout Tee Sienna

$49.00

Pima Lift Tee Seaborne

$49.00

Pima Lift Tee Orchid Smoke

$49.00

Pima Lift Tee Dark Forest

$49.00

Suave Tech Workout Tee Allure

$49.00

VIEW ALL

Built to perform, designed to live

Sustainable materials

Man in orange shirt stretching under gymnastic rings on a sandy beach.

Lightweight & durable

Man in pink shirt stretching outdoors on a cloudy day.

Flexible & secure fit

Two men running on a sandy beach, one wearing a weighted vest.

Workout & casual wear

Fellow GymRatzz LOVE Our High Quality Active Wear

This is a great work out T-Shirt. Super comfortable and feels super high quality.

- Adam J.

1RP CORE WORKOUT TEE

Man taking a mirror selfie in a bedroom with a bed and shelves.

Shirt feels amazing. Definitely will be comfortable during a good work out session.

- Christian F.

SUAVE TECH WORKOUT TEE

Man in a kitchen doing a yoga tree pose, smiling.

These shorts are totally yoga approved. These could easily be my go to choice for doing yoga.

- Jeffrey B.

flex scallop short

GymRatzz vs. The Rest

Here’s how we compare to other brands

Tapered, athletic fit with elastic cuffs

Deep side pockets + secure zipper compartment

Lightweight, breathable, and premium feel

48% recycled polyester for eco-conscious wear

10% elastane for optimal movement

Made to last through workouts & wash cycles

Generic Joggers

Boxy or baggy, lacks shape

Basic pockets, items easily fall out

Cheap blends, traps heat

Little to no sustainable materials

Limited stretch, stiff over time

Prone to fading or tearing

frequently asked questions

What is the gym wear made from?

Our apparel is made from high-performance blends including polyester, spandex, and cotton. This combo offers a breathable, stretchy, and durable fit—perfect for both training and lifestyle wear.

Is there a warranty?

Yes. We stand behind the quality of our products. If you receive a defective item, email us at support@gym-ratzz.com within 30 days of delivery and we’ll make it right.

Can I return or exchange my items?

Absolutely. We offer returns or exchanges within 30 days of receiving your order, as long as items are unworn, unwashed, and in original condition. Visit our Returns Center [link] or contact support for help.

Do you ship internationally?

Yes, we ship worldwide! Shipping rates and delivery times vary based on your location and will be calculated at checkout.

What payment methods do you accept?

We accept all major credit cards (Visa, MasterCard, American Express), PayPal, Apple Pay, and Shop Pay. Secure and hassle-free checkout every time.

Simple. Comfortable. Versatile.

Engineered for comfort, designed for versatility. GymRatzz gear transitions seamlessly from workout to everyday wear—built for movement, built for life.