Combat Supply Co.

Serious gear for boxing, MMA, and BJJ.

Fast shipping • Easy returns • Secure checkout

Shop

  • Gloves
  • Protection
  • Training
  • Fightwear
  • Essentials

Support

  • Shipping Policy
  • Returns & Exchanges
  • Refund Policy
  • Contact
  • Help Center

Company

  • About Combat Supply Co.
  • Privacy Policy
  • Terms of Service

Account

  • Sign in
  • Order Status
  • Cart
© 2026 Combat Supply Co.All rights reserved.
Secure checkout powered by Square
Combat Supply Co
Shop all Gloves
Boxing GlovesMMA Gloves
Shop all Protection
Shin GuardsHeadgearGroin
Shop all Training
MittsPads
Shop all Fightwear
RashguardsFight Shorts
Shop all Essentials
Hand Wraps
Free shipping on all items
Shop all GlovesBoxing GlovesMMA Gloves
Shop all ProtectionShin GuardsHeadgearGroin
Shop all TrainingMittsPads
Shop all FightwearRashguardsFight Shorts
Shop all EssentialsHand Wraps
Account
Your cart
Cart is empty

Add a product to see it here.

Subtotal
$0
View cartCheckout
Taxes calculated at checkout. Free standard shipping on all U.S. orders.
Home / Rashguards

Combat Supply Co.

Rashguards

Compression fit rashguards built for grappling and no-gi.

Showing 1 product
Filters
Size
Pro shop selection

Shop Rashguards

Use the filters to narrow results by fit, price, and training use.

Showing 1 product

Sort by
RDX
RDX T15 Black Rash Guard
Built for consistent training
SMLXL
$32.99
How to choose

How to choose rashguards

Use this section to narrow your choice faster before you compare individual products.

Compression level

  • Light compression: comfortable for longer sessions
  • Moderate compression: supportive fit for active grappling sessions
  • Tight competition fit: maximum compression with minimal excess fabric
  • Compression helps reduce fabric shifting during transitions and mat work.

Sleeve length

  • Short sleeve: increased arm mobility and cooler feel
  • Long sleeve: added skin coverage and mat protection
  • Long sleeves provide additional protection from mat abrasion.

Fabric & durability

  • 4-way stretch material for mobility
  • Reinforced flatlock stitching
  • Moisture-wicking fabric

Competition compatibility

  • No exposed pockets
  • No loose elements
  • Organization-compliant designs
  • Performance tiers

    Tier breakdown

    Tier 1
    Entry
    Suitable for beginners and general training.
    Tier 2
    Mid
    Improved compression and reinforced stitching for consistent weekly grappling.
    Tier 3
    Elite
    Premium lightweight construction designed for competition and high-volume training.
    FAQ

    Frequently asked questions

    Should a rashguard feel tight?
    Yes. It should fit snug without restricting breathing or movement.
    Can I wear a rashguard under a gi?
    Yes. Many athletes wear rashguards under a gi for comfort and hygiene.
    Do rashguards prevent skin irritation?
    They reduce direct skin contact and help limit mat friction.
    How long do rashguards last?
    With regular training, expect about 6–12 months depending on intensity and care.