Speak volumes without saying a word.
The Amplify The Underground Sweatshirt is a declaration of intent.
Crafted for those shaping the future from outside the spotlight. Featuring a minimalist black-on-black type design, this midweight unisex sweater blends culture, comfort, and clarity of message. Whether you're deep in creation mode or repping the movement onstage or off-grid, this piece holds the energy.
Discover The Glass Kage: a platform dedicated to elevating indie voices through curated content, artist features, and cultural storytelling.
From Montana to the Northwest and beyond, we document the underground with purpose.
50% pre-shrunk cotton / 50% polyester
Heather Sport variants: 60% polyester / 40% cotton
Fabric weight: 8.0 oz/yd² (271.25 g/m²)
Air-jet spun yarn = softer feel + reduced pilling
Athletic rib-knit cuffs and waistband with spandex
Double-lined hood and front pouch pocket
Durable double-needle stitching throughout
Note: Due to the fabric blend, White may appear off-white.
Every sweatshirt is made to order—supporting small-batch culture and reducing waste. When you wear this, you amplify the message and move the movement.
Speak volumes without saying a word.
The Amplify The Underground Sweatshirt is a declaration of intent.
Crafted for those shaping the future from outside the spotlight. Featuring a minimalist black-on-black type design, this midweight unisex sweater blends culture, comfort, and clarity of message. Whether you're deep in creation mode or repping the movement onstage or off-grid, this piece holds the energy.
Discover The Glass Kage: a platform dedicated to elevating indie voices through curated content, artist features, and cultural storytelling.
From Montana to the Northwest and beyond, we document the underground with purpose.
50% pre-shrunk cotton / 50% polyester
Heather Sport variants: 60% polyester / 40% cotton
Fabric weight: 8.0 oz/yd² (271.25 g/m²)
Air-jet spun yarn = softer feel + reduced pilling
Athletic rib-knit cuffs and waistband with spandex
Double-lined hood and front pouch pocket
Durable double-needle stitching throughout
Note: Due to the fabric blend, White may appear off-white.
Every sweatshirt is made to order—supporting small-batch culture and reducing waste. When you wear this, you amplify the message and move the movement.