Surfboard comparison
Lost / Mayhem Crowd Killer vs Slater Designs Boss Up
Also searched as: boss up vs crowd killer, Crowd Killer vs Boss Up, Lost / Mayhem Crowd Killer or Slater Designs Boss Up, Slater Designs Boss Up vs Lost / Mayhem Crowd Killer
Lost / Mayhem Crowd Killer vs Slater Designs Boss Up: Lost / Mayhem Crowd Killer fits knee-high to head-high days, while Slater Designs Boss Up holds through waist-high to overhead. Side-by-side wave range, power, and skill on Quivr.
Free on iPhone. The app opens straight to Crowd Killer vs Boss Up, with 1,543+ more boards to compare.
This Crowd Killer vs Boss Up page compares wave size (knee-high to head-high vs waist-high to overhead), wave power (soft / mushy to moderate vs soft / mushy to moderate), and skill demand using Quivr catalog spectra — the same ranges shown in the app. Quivr catalogs 1,543+ surfboards.
Lost / Mayhem
Crowd Killer
Hybrid
Best for speed + glide
✦ Tighter size lane: knee-high to head-high, speed + glide.
The Crowd Killer Round is designed for effortless surfing across a wide range of conditions, making it suitable for surfers looking for a reliable and versatile board. It excels in both small and larger waves, providing smooth turns and control.
knee-high to head-high
soft / mushy to moderate
beginner-friendly to intermediate skill window
Manufacturer
View on Lost / Mayhem websiteYouTube reviews
Search YouTube for Lost / Mayhem Crowd Killer reviews
Slater Designs
Boss Up
Midlength
Best for drive + release
✦ Performs well in various conditions.
The Boss Up is a versatile midlength board designed for cruising on weak wave faces while also handling powerful overhead tubes. It suits surfers looking for a one-board quiver that performs well in various conditions.
waist-high to overhead
soft / mushy to moderate
beginner-friendly to intermediate skill window
Manufacturer
View on Slater Designs website
Crowd Killer vs Boss Up — quick answers
What's the difference between Lost / Mayhem Crowd Killer and Slater Designs Boss Up?
Lost / Mayhem Crowd Killer vs Slater Designs Boss Up: Lost / Mayhem Crowd Killer fits knee-high to head-high days, while Slater Designs Boss Up holds through waist-high to overhead. Side-by-side wave range, power, and skill on Quivr.
What wave size is Crowd Killer for?
Lost / Mayhem Crowd Killer covers knee-high to head-high.
What wave size is Boss Up for?
Slater Designs Boss Up covers waist-high to overhead.
Which is better for small waves, Lost / Mayhem Crowd Killer or Slater Designs Boss Up?
Lost / Mayhem Crowd Killer is tuned for a smaller top-end (knee-high to head-high) than Slater Designs Boss Up (waist-high to overhead).
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