Meet Jack
Jack Knife Studio started in 2022 as a passion project.
I’m excited to offer new and unique collections to you.
Have ideas for future collections or collaborations? Don’t hesitate to reach out.
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$34.00
Design on front pocket and back of shirt. Unisex garment-dyed pocket t-shirt
Achieve the ultimate relaxed look with the unisex garment-dyed pocket t-shirt. The shirt’s made of 100% ring-spun cotton that’s super soft and breathable. The heavyweight material ensures a structured fit that will complement your casual and athletic outfits. Plus, it has a cute pocket detail!
• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed, pre-shrunk fabric
• Yarn diameter: 20 singles
• Relaxed fit
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
• Single-needle left chest pocket with double-needle hem
• 7/8″ double-needle topstitched collar
• Signature twill label that matches the color of the garment
• Blank product sourced from Honduras
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!
Read more →
Achieve the ultimate relaxed look with the unisex garment-dyed pocket t-shirt. The shirt’s made of 100% ring-spun cotton that’s super soft and breathable. The heavyweight material ensures a structured fit that will complement your casual and athletic outfits. Plus, it has a cute pocket detail!
• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed, pre-shrunk fabric
• Yarn diameter: 20 singles
• Relaxed fit
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
• Single-needle left chest pocket with double-needle hem
• 7/8″ double-needle topstitched collar
• Signature twill label that matches the color of the garment
• Blank product sourced from Honduras
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!
Quick View
$32.00
Garment-dyed heavyweight long-sleeve shirt
Enjoy ultimate comfort with this unisex garment-dyed shirt, crafted from durable heavyweight fabric and dyed for a lived-in look. The dyeing technique ensures the shirt is pre-shrunk to maintain its shape no matter how many times you wash it.
• 100% soft ring-spun cotton
• Fabric weight: 6.1 oz./yd.² (206.8 g/m²)
• Relaxed fit
• Garment-dyed, pre-shrunk fabric
• Topstitched, classic width collar
• Twill-taped neck and shoulders for comfort and durability
• Rib cuffs
• Shoulder-to-shoulder twill tape
• Signature twill label
• Blank product sourced from Honduras
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!
Read more →
Enjoy ultimate comfort with this unisex garment-dyed shirt, crafted from durable heavyweight fabric and dyed for a lived-in look. The dyeing technique ensures the shirt is pre-shrunk to maintain its shape no matter how many times you wash it.
• 100% soft ring-spun cotton
• Fabric weight: 6.1 oz./yd.² (206.8 g/m²)
• Relaxed fit
• Garment-dyed, pre-shrunk fabric
• Topstitched, classic width collar
• Twill-taped neck and shoulders for comfort and durability
• Rib cuffs
• Shoulder-to-shoulder twill tape
• Signature twill label
• Blank product sourced from Honduras
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!
Quick View
$27.00
Comfort Colors - Unisex garment-dyed heavyweight t-shirt
If you’re looking for a thick, structured tee that’s also super soft and breathable—look no further! The unisex garment-dyed heavyweight t-shirt ticks all the boxes and is made of 100% ring-spun cotton. The regular t-shirt style will complement most looks and fit you to a tee.
• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed
• Relaxed fit
• 7/8″ double-needle topstitched collar
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
• Blank product sourced from Honduras
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!
Read more →
If you’re looking for a thick, structured tee that’s also super soft and breathable—look no further! The unisex garment-dyed heavyweight t-shirt ticks all the boxes and is made of 100% ring-spun cotton. The regular t-shirt style will complement most looks and fit you to a tee.
• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed
• Relaxed fit
• 7/8″ double-needle topstitched collar
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
• Blank product sourced from Honduras
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!
Quick View
$28.00
3/4 sleeve raglan shirt
A stylish spin on the classic baseball raglan. The combed cotton blend makes it super soft, comfortable, and lightweight.
• All solid colors are 100% ring-spun cotton
• Heather Grey color is 90% cotton, 10% polyester
• Heather Denim color is 50% cotton, 50% polyester
• Fabric weight: 4.5 oz/yd² (152.6 g/m²)
• Fine knit jersey
• 30 singles
• ¾ sleeves
• Contrast raglan sleeve
• Unhemmed bottom
• Reactive-dyed for longer-lasting color
• Prewashed to minimize shrinkage
• Tear away label
• Blank product sourced from Mexico
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!
Read more →
A stylish spin on the classic baseball raglan. The combed cotton blend makes it super soft, comfortable, and lightweight.
• All solid colors are 100% ring-spun cotton
• Heather Grey color is 90% cotton, 10% polyester
• Heather Denim color is 50% cotton, 50% polyester
• Fabric weight: 4.5 oz/yd² (152.6 g/m²)
• Fine knit jersey
• 30 singles
• ¾ sleeves
• Contrast raglan sleeve
• Unhemmed bottom
• Reactive-dyed for longer-lasting color
• Prewashed to minimize shrinkage
• Tear away label
• Blank product sourced from Mexico
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!
Quick View
$28.00
Oversized tie-dye t-shirt with white embroidered "live proudly"
Meet your next streetwear essential—the oversized tie-dye t-shirt. The tee has a cool, relaxed fit and is highly durable thanks to its heavyweight cotton material. Join the tie-dye trend and order it for yourself today.
• 100% US grown cotton
• Fabric weight: 7.5 oz/yd² (254 g/m²)
• Oversized fit
• Ribbed neck
• Blank product sourced from Honduras
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!
Read more →
Meet your next streetwear essential—the oversized tie-dye t-shirt. The tee has a cool, relaxed fit and is highly durable thanks to its heavyweight cotton material. Join the tie-dye trend and order it for yourself today.
• 100% US grown cotton
• Fabric weight: 7.5 oz/yd² (254 g/m²)
• Oversized fit
• Ribbed neck
• Blank product sourced from Honduras
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!
Quick View
$32.00
Comfort Colors - Garment-dyed heavyweight long-sleeve shirt
Enjoy ultimate comfort with this unisex garment-dyed shirt, crafted from durable heavyweight fabric and dyed for a lived-in look. The dyeing technique ensures the shirt is pre-shrunk to maintain its shape no matter how many times you wash it.
• 100% soft ring-spun cotton
• Fabric weight: 6.1 oz./yd.² (206.8 g/m²)
• Relaxed fit
• Garment-dyed, pre-shrunk fabric
• Topstitched, classic width collar
• Twill-taped neck and shoulders for comfort and durability
• Rib cuffs
• Shoulder-to-shoulder twill tape
• Signature twill label
• Blank product sourced from Honduras
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!
Read more →
Enjoy ultimate comfort with this unisex garment-dyed shirt, crafted from durable heavyweight fabric and dyed for a lived-in look. The dyeing technique ensures the shirt is pre-shrunk to maintain its shape no matter how many times you wash it.
• 100% soft ring-spun cotton
• Fabric weight: 6.1 oz./yd.² (206.8 g/m²)
• Relaxed fit
• Garment-dyed, pre-shrunk fabric
• Topstitched, classic width collar
• Twill-taped neck and shoulders for comfort and durability
• Rib cuffs
• Shoulder-to-shoulder twill tape
• Signature twill label
• Blank product sourced from Honduras
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!
Quick View
$24.00
Mens Tank Top
A classic, staple tank top. A timeless classic intended for anyone looking for great quality and softness.
• 100% combed and ringspun cotton
• Tri-blends are 50% polyester/25% combed/25% ringspun cotton/rayon
• Fabric weight: 4.2 oz/yd² (142.40 g/m²), triblends: 3.8 oz/yd² (90.07 g/m²)
• 30 singles thread weight
• Side-seamed
• Blank product sourced from Nicaragua, Honduras, or the US
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!
Read more →
A classic, staple tank top. A timeless classic intended for anyone looking for great quality and softness.
• 100% combed and ringspun cotton
• Tri-blends are 50% polyester/25% combed/25% ringspun cotton/rayon
• Fabric weight: 4.2 oz/yd² (142.40 g/m²), triblends: 3.8 oz/yd² (90.07 g/m²)
• 30 singles thread weight
• Side-seamed
• Blank product sourced from Nicaragua, Honduras, or the US
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!
Quick View
$27.00
Comfort Colors - Unisex garment-dyed heavyweight t-shirt
If you’re looking for a thick, structured tee that’s also super soft and breathable—look no further! The unisex garment-dyed heavyweight t-shirt ticks all the boxes and is made of 100% ring-spun cotton. The regular t-shirt style will complement most looks and fit you to a tee.
• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed
• Relaxed fit
• 7/8″ double-needle topstitched collar
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
• Blank product sourced from Honduras
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!
Read more →
If you’re looking for a thick, structured tee that’s also super soft and breathable—look no further! The unisex garment-dyed heavyweight t-shirt ticks all the boxes and is made of 100% ring-spun cotton. The regular t-shirt style will complement most looks and fit you to a tee.
• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed
• Relaxed fit
• 7/8″ double-needle topstitched collar
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
• Blank product sourced from Honduras
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!
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If you’re looking for a thick, structured tee that’s also super soft and breathable—look no further! The unisex garment-dyed heavyweight t-shirt ticks all the boxes and is made of 100% ring-spun cotton. The regular t-shirt style will complement most looks and fit you to a tee.
• 100% ring-spun cotton
• Fabric weight: 6.1 oz/yd² (206.8 g/m²)
• Garment-dyed
• Relaxed fit
• 7/8″ double-needle topstitched collar
• Twill-taped neck and shoulders for extra durability
• Double-needle armhole, sleeve, and bottom hems
• Blank product sourced from Honduras
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!