K9R - M1 Lightspeed Harness Made in USA - Lifetime Warranty Most harnesses pile on padding that traps heat, holds water, and eventually starts to smell. The M1 Lightspeed Harness takes the opposite approach — hand-built in-house, using a laser-cut process to precisely eliminate bulk instead of padding it on. The result is our most minimal, low-profile pattern for a lightweight harness that maximizes airflow instead of blocking it. It's a tailored, everyday fit, not a generic one-size-fits-most feel. Two quick-release buckles sit up front on top of the neck, making it easy to get on and off over dogs with bigger heads. Two more in back give you a fast, secure release off the body. Keep your pet safe, secure, and cool — the chest is built as a slim, minimal chest plate since that's where dogs need cooling most. Lightweight doesn't mean fragile — the M1 is built tough for hard, rough use, making it a great fit for daily walks, adventure days, and working shifts alike. 🐱 Have a cat? Check out our M1 Lightspeed Harness for Cats, designed specifically around a cat's body and movement. FEATURES Tailored, Not One-Size-Fits-All — Precision-engineered everyday fit for small to medium breeds Minimal, Low-Profile Design — Laser-cut to eliminate bulk (not padded on), for our most breathable, lightweight harness built for maximum airflow Five-Point Adjustment System — Ergonomically contoured with a chest plate for a precise, comfortable fit Front + Back Quick-Release Buckles — Two up front (easy on/off over bigger heads), two in back for secure release Extremely Lightweight, Extremely Durable — Laser-cut Cordura nylon with quality webbing and hardware throughout Easy to Clean — Unlike padded harnesses, it won't absorb water, so it dries fast and won't hold onto smells the way padding does — just wipe and brush clean Top Rear Grab Handle — High-strength tubular nylon webbing for better control Two Leash Attachment Points — Metal D-rings up front near the neck and in the rear, so you can choose the control style that works best for your dog No-Pull Training Ready — A reinforced, laser-cut hole on the chest gives you a strong, dedicated attachment point for no-pull leash training Personalize It — Loop panels for morale patches, ID badges, and name tapes with hook backings Made in USA — Backed by our lifetime warranty Morale Patches Sold Separately SIZING Size Chest Neck Length Suggested Weight XX-Small 12"–17" (30–43cm) 10.5"–15" (27–38cm) 5" (13cm) 5–13 lb (2.3–5.9kg) X-Small 17"–24" (43–61cm) 11.5"–17" (29–43cm) 6" (15cm) 12–23 lb (5.4–10.4kg) Small 19"–28" (48–71cm) 14"–22.5" (36–57cm) 7" (18cm) 22–30 lb (10–13.6kg) Medium 21"–33" (53–84cm) 21"–27" (57–69cm) 8" (20cm) 30–60 lb (13.6–27.2kg) Use either your dog's weight or chest measurement to find the right fit. Loop panel dimensions (for name tapes and morale patches): Size Loop Panel — Back Loop Panel — Chest XXS 3" x 4" (7.6 x 10.2cm) 1.5" x 1.5" (3.8 x 3.8cm) XS 3" x 5" (7.6 x 12.7cm) 2" x 2" (5.1 x 5.1cm) S 3" x 5.5" (7.6 x 14cm) 2" x 2.5" (5.1 x 6.4cm) M 4" x 6" (10.2 x 15.2cm) 2" x 2.5" (5.1 x 6.4cm)