The exped synmat hl winter lite mat the ingenious contour shape ensures that two mats fit next to each other in confined space due to the hyperlite construction the synmat winterlite 7 m by exped is extremely lightweight and compact with astonishing heat exped synmat hl winter lite mat features temperature 17 degc r value 490 thickness 9 cm length 183 cm width 52 cm packed height 21 cm packed diameter 11 cm weight