The Secret to Patagonia's Summer Tuned Fleece Isn't Bold Colors Patagonia Mens Lightweight Synchilla Snap T Pullover Quilty Fitz Patagonia Men's Lightweight Synch Snap T Pullover Still Blue Patagonia Men's Lightweight Synchilla Snap T Pullover Smolder Blue. An unadulterated Patagonia classic, the Synchilla Snap T Pullover is a definitive archival piece, still deserving of a place in the range and in your wardrobe. Keeping the cold at bay since 85 its now celebrating over 30 years of doing just that.