Latitude 64

Sinus

4.3(36)
Putt & Approach
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The Sinus is a heavily overstable Latitude 64 approach putter rated 2/2/0/2. Low glide and a firm fade make it a wind and approach tool for upshots that need to stop or hook out, rather than a straight putter. Players who want a glidy putter or one that holds an anhyzer should look elsewhere. This page describes the new Sinus mold. Latitude 64 founder and designer Tomas Ekström wrote in 2024 that the Sinus first launched in 2006, in approach and putting versions with raised thumb pads (a bit of an experiment and a gimmick, in Ekström's words), and counted it among the first genuinely overstable putters on the market. The new mold returns to the overstable flights of 2006 with a smooth top and a much nicer grip, and reached shops on 26 September 2024. The PDGA approved the new mold as the Sinus (New) on 3 June 2024 (24-115); the original Sinus mold was retired in early 2025. On our comparison table its nearest matches are the Innova Aviar3 and the Axiom Envy.

The Sinus is a heavily overstable Latitude 64 approach putter rated 2/2/0/2. Low glide and a firm fade make it a wind and approach tool for upshots that need to stop or hook out, rather than a straight putter. Players who want a glidy putter or one that holds an anhyzer should look elsewhere.

This page describes the new Sinus mold. Latitude 64 founder and designer Tomas Ekström wrote in 2024 that the Sinus first launched in 2006, in approach and putting versions with raised thumb pads (a bit of an experiment and a gimmick, in Ekström's words), and counted it among the first genuinely overstable putters on the market. The new mold returns to the overstable flights of 2006 with a smooth top and a much nicer grip, and reached shops on 26 September 2024.

The PDGA approved the new mold as the Sinus (New) on 3 June 2024 (24-115); the original Sinus mold was retired in early 2025. On our comparison table its nearest matches are the Innova Aviar3 and the Axiom Envy.

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Flight

Source: Latitude 64

Arm speed

NoviceIntermediatePro
SpeedHow hard the disc must be thrown to fly as designed. Putters are 1 to 3, the fastest drivers 14 and up.
2
GlideHow long the disc stays in the air. More glide means more distance from the same throw.
2
TurnHow much it drifts right early in flight (right-handed backhand). More negative, more drift.
0
FadeHow hard it hooks left as it slows down (right-handed backhand). Higher, stronger hook.
2
StabilityTurn plus fade. Negative drifts right and is easier for beginners. Positive finishes left.Turn + Fade
2

Dimensions

Source: PDGA
DiameterHow wide the disc is, edge to edge. Almost every disc is 21 to 22 cm.
21.2 cm
HeightHow tall the disc is lying flat. Putters are usually the tallest.
1.9 cm
Rim DepthHow deep the rim is underneath, where your fingers grip. Putters have the deepest rims.
1.4 cm
Rim ThicknessHow wide the rim is. Wider rims make faster discs that need a stronger throw.
1.1 cm
Rim Inside DiameterThe width of the flat middle, inside the rim. Bigger usually means a slower, easier disc.
19 cm
Rim Depth/Diameter RatioRim depth as a share of the disc's width. Higher means a deeper rim for its size.
6.6%
Rim ConfigurationA PDGA score for the shape of the edge. Low is sharp, like a driver. High is rounded, like a putter.
54.25
BeadA small ridge under the edge of the rim, mostly on putters. It changes how the disc feels in hand.
No

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4.336 reviews from 3 stores

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