SEMINAR STACK SEMINAR STACK SEMINAR STACK SEMINAR STACK
SEMINAR STACK SEMINAR STACK SEMINAR STACK SEMINAR STACK
Welcome to seminar stack
the ultimate fusion of Health, wellness, Fitness and martial arts for first responders and the community.
April 25, 2026 - Carlisle PA
#SEEYOUONTHEMATS
Our Mission
At Seminar Stack, our mission is to build stronger, safer communities through skill-sharing, connecting first responders with resources for continued training, promoting health and wellness, and creating space for purpose-driven growth.
Our vision
Support the mission by hosting training based events that raise funds for impactful nonprofits, while bringing together experts in self-defense, fitness, and resilience.
Every seminar is a chance to train with purpose, support those who serve, and strengthen the community on and off the mats.
Weathered Stack Jersey
$32.00
Built for training days and off-mat wear, this weathered unisex jersey delivers breathable performance without sacrificing durability. Made from lightweight polyester mesh, it promotes airflow during hard sessions while the relaxed fit and extended length provide comfortable coverage. Finished with short raglan sleeves and reinforced collar binding, this jersey is made to move, last, and show the work.
• 100% breathable polyester (mesh)
• Fabric weight: 4.13 oz./yd² (140 g/m²)
• Relaxed fit
• Elastic and durable
• Side-seamed construction
• Extended length
• Short raglan sleeves
• Binding on collar
• Classic round neckline
• Blank product sourced from China
• 100% breathable polyester (mesh)
• Fabric weight: 4.13 oz./yd² (140 g/m²)
• Relaxed fit
• Elastic and durable
• Side-seamed construction
• Extended length
• Short raglan sleeves
• Binding on collar
• Classic round neckline
• Blank product sourced from China
Unwilling Uke Rashguard
$55.00
The Epic Roll custom Unwilling Uke rashguard, made exclusively for Seminar Stack, combines premium comfort and durability with a bold, eye-catching design built for the mats. Lightweight, flexible, and battle-tested, it’s perfect for training or competition.
Women's Shaka Crop
$29.00
This crop top is made of 100% combed cotton, which makes the shirt extremely soft and more durable than regular cotton shirts. The relaxed fit and dropped shoulders ensure comfortable wear, while the cropped length makes it perfect for spring and summer.
• 100% combed cotton
• Heather colors are 15% viscose and 85% cotton
• Fabric weight: 5.3 oz/yd² (180 g/m²)
• Relaxed fit
• Cropped length
• Ribbed crew neck
• Dropped shoulders
• Side-seamed construction
• Shoulder-to-shoulder taping
• Double-needle hems
• Preshrunk
• Blank product sourced from Bangladesh
• 100% combed cotton
• Heather colors are 15% viscose and 85% cotton
• Fabric weight: 5.3 oz/yd² (180 g/m²)
• Relaxed fit
• Cropped length
• Ribbed crew neck
• Dropped shoulders
• Side-seamed construction
• Shoulder-to-shoulder taping
• Double-needle hems
• Preshrunk
• Blank product sourced from Bangladesh
Stack Logo Snapback
$30.00
This hat is structured with a classic fit, flat brim, and full buckram. The adjustable snap closure makes it a comfortable, one-size-fits-most hat.
• 80% acrylic, 20% wool
• Green Camo is 60% cotton, 40% polyester
• Structured, 6-panel, high-profile
• 6 embroidered eyelets
• Plastic snap closure
• Green undervisor
• Head circumference: 21⅝″–23⅝″ (54.9 cm–60 cm)
• Blank product sourced from Vietnam or Bangladesh
• 80% acrylic, 20% wool
• Green Camo is 60% cotton, 40% polyester
• Structured, 6-panel, high-profile
• 6 embroidered eyelets
• Plastic snap closure
• Green undervisor
• Head circumference: 21⅝″–23⅝″ (54.9 cm–60 cm)
• Blank product sourced from Vietnam or Bangladesh
Seminar Stacked Shaka T-shirt
from $30.00
This t-shirt is comfortable, soft, lightweight, and form-fitting. It's an ideal staple piece for any wardrobe!
• 100% combed ring-spun cotton
• Heather Grey is 90% cotton, 10% polyester
• Fabric weight: 4.3 oz/yd² (145.8 g/m²)
• 32 singles
• Pre-shrunk
• Blank product sourced from Honduras, Nicaragua, Mexico, or Cambodia
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!
• 100% combed ring-spun cotton
• Heather Grey is 90% cotton, 10% polyester
• Fabric weight: 4.3 oz/yd² (145.8 g/m²)
• 32 singles
• Pre-shrunk
• Blank product sourced from Honduras, Nicaragua, Mexico, or Cambodia
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!
Diagonal JJ Saves Lives T-shirt
from $31.00
This t-shirt is comfortable, soft, lightweight, and form-fitting. It's an ideal staple piece for any wardrobe!
• 100% combed ring-spun cotton
• Heather Grey is 90% cotton, 10% polyester
• Fabric weight: 4.3 oz/yd² (145.8 g/m²)
• 32 singles
• Pre-shrunk
• Blank product sourced from Honduras, Nicaragua, Mexico, or Cambodia
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!
• 100% combed ring-spun cotton
• Heather Grey is 90% cotton, 10% polyester
• Fabric weight: 4.3 oz/yd² (145.8 g/m²)
• 32 singles
• Pre-shrunk
• Blank product sourced from Honduras, Nicaragua, Mexico, or Cambodia
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!
See You On The Mats Snapback
$30.00
This hat is structured with a classic fit, flat brim, and full buckram. The adjustable snap closure makes it a comfortable, one-size-fits-most hat.
• 80% acrylic, 20% wool
• Green Camo is 60% cotton, 40% polyester
• Structured, 6-panel, high-profile
• 6 embroidered eyelets
• Plastic snap closure
• Green undervisor
• Head circumference: 21⅝″–23⅝″ (54.9 cm–60 cm)
• Blank product sourced from Vietnam or Bangladesh
• 80% acrylic, 20% wool
• Green Camo is 60% cotton, 40% polyester
• Structured, 6-panel, high-profile
• 6 embroidered eyelets
• Plastic snap closure
• Green undervisor
• Head circumference: 21⅝″–23⅝″ (54.9 cm–60 cm)
• Blank product sourced from Vietnam or Bangladesh
Unisex Vintage Shaka '25 Hoodie
from $50.00
Who knew that the softest hoodie you'll ever own comes with such a cool design. You won't regret buying this classic streetwear piece of apparel with a convenient pouch pocket and warm hood for chilly evenings.
• 100% cotton face
• 65% ring-spun cotton, 35% polyester
• Front pouch pocket
• Self-fabric patch on the back
• Matching flat drawstrings
• 3-panel hood
• Blank product sourced from Pakistan
Disclaimer: This hoodie runs small. For the perfect fit, we recommend ordering one size larger than your usual size.
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!
• 100% cotton face
• 65% ring-spun cotton, 35% polyester
• Front pouch pocket
• Self-fabric patch on the back
• Matching flat drawstrings
• 3-panel hood
• Blank product sourced from Pakistan
Disclaimer: This hoodie runs small. For the perfect fit, we recommend ordering one size larger than your usual size.
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!
Shaka Logo Snapback
$30.00
This hat is structured with a classic fit, flat brim, and full buckram. The adjustable snap closure makes it a comfortable, one-size-fits-most hat.
• 80% acrylic, 20% wool
• Green Camo is 60% cotton, 40% polyester
• Structured, 6-panel, high-profile
• 6 embroidered eyelets
• Plastic snap closure
• Green undervisor
• Head circumference: 21⅝″–23⅝″ (54.9 cm–60 cm)
• Blank product sourced from Vietnam or Bangladesh
• 80% acrylic, 20% wool
• Green Camo is 60% cotton, 40% polyester
• Structured, 6-panel, high-profile
• 6 embroidered eyelets
• Plastic snap closure
• Green undervisor
• Head circumference: 21⅝″–23⅝″ (54.9 cm–60 cm)
• Blank product sourced from Vietnam or Bangladesh
Unisex Vintage Shaka '25 Oversized T-shirt
from $35.00
Upgrade your wardrobe with this oversized t-shirt made from 100% organic combed ring-spun cotton. It’s designed with dropped shoulders and a wide collar, making it perfect for everyday streetwear outfits.
• 100% organic combed ring-spun cotton
• Fabric weight: 5.9 oz./yd.² (200 g/m²)
• Oversized fit
• Set-in sleeves
• Dropped shoulders
• 1 × 1 rib at collar
• Self-fabric neck tape on the inside of the back
• The fabric of this product is certified by GOTS (Global Organic Textile Standard)
• The fabric of this product is OEKO-TEX Standard 100 certified and PETA-Approved Vegan
• Blank product sourced from Bangladesh
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!
• 100% organic combed ring-spun cotton
• Fabric weight: 5.9 oz./yd.² (200 g/m²)
• Oversized fit
• Set-in sleeves
• Dropped shoulders
• 1 × 1 rib at collar
• Self-fabric neck tape on the inside of the back
• The fabric of this product is certified by GOTS (Global Organic Textile Standard)
• The fabric of this product is OEKO-TEX Standard 100 certified and PETA-Approved Vegan
• Blank product sourced from Bangladesh
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!
